{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4)","title":"Title of the patch"},{"category":"description","text":"\nThis update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.176 fixes various security issues\n\nThe following security issues were fixed:\n\n- CVE-2022-50233: bluetooth: device name can cause reading kernel memory by not supplying terminal \\0 (bsc#1249242).\n- CVE-2022-50327: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value (bsc#1254451).\n- CVE-2022-50409: net: If sock is dead don't access sock's sk_wq in sk_stream_wait_memory (bsc#1250665).\n- CVE-2022-50490: bpf: Propagate error from htab_lock_bucket() to userspace (bsc#1251165).\n- CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251787).\n- CVE-2025-38476: rpl: Fix use-after-free in rpl_do_srh_inline() (bsc#1251203).\n- CVE-2025-38572: ipv6: reject malicious packets in ipv6_gso_segment() (bsc#1248400).\n- CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2026-176,SUSE-SLE-Module-Live-Patching-15-SP4-2026-176","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_0176-1.json"},{"category":"self","summary":"URL for SUSE-SU-2026:0176-1","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260176-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2026:0176-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2026-January/023798.html"},{"category":"self","summary":"SUSE Bug 1248400","url":"https://bugzilla.suse.com/1248400"},{"category":"self","summary":"SUSE Bug 1249242","url":"https://bugzilla.suse.com/1249242"},{"category":"self","summary":"SUSE Bug 1250665","url":"https://bugzilla.suse.com/1250665"},{"category":"self","summary":"SUSE Bug 1251165","url":"https://bugzilla.suse.com/1251165"},{"category":"self","summary":"SUSE Bug 1251203","url":"https://bugzilla.suse.com/1251203"},{"category":"self","summary":"SUSE Bug 1251787","url":"https://bugzilla.suse.com/1251787"},{"category":"self","summary":"SUSE Bug 1253437","url":"https://bugzilla.suse.com/1253437"},{"category":"self","summary":"SUSE Bug 1254451","url":"https://bugzilla.suse.com/1254451"},{"category":"self","summary":"SUSE CVE CVE-2022-50233 page","url":"https://www.suse.com/security/cve/CVE-2022-50233/"},{"category":"self","summary":"SUSE CVE CVE-2022-50327 page","url":"https://www.suse.com/security/cve/CVE-2022-50327/"},{"category":"self","summary":"SUSE CVE CVE-2022-50409 page","url":"https://www.suse.com/security/cve/CVE-2022-50409/"},{"category":"self","summary":"SUSE CVE CVE-2022-50490 page","url":"https://www.suse.com/security/cve/CVE-2022-50490/"},{"category":"self","summary":"SUSE CVE CVE-2023-53676 page","url":"https://www.suse.com/security/cve/CVE-2023-53676/"},{"category":"self","summary":"SUSE CVE CVE-2025-38476 page","url":"https://www.suse.com/security/cve/CVE-2025-38476/"},{"category":"self","summary":"SUSE CVE CVE-2025-38572 page","url":"https://www.suse.com/security/cve/CVE-2025-38572/"},{"category":"self","summary":"SUSE CVE CVE-2025-40204 page","url":"https://www.suse.com/security/cve/CVE-2025-40204/"}],"title":"Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4)","tracking":{"current_release_date":"2026-01-19T19:03:59Z","generator":{"date":"2026-01-19T19:03:59Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2026:0176-1","initial_release_date":"2026-01-19T19:03:59Z","revision_history":[{"date":"2026-01-19T19:03:59Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","product":{"name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","product_id":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","product":{"name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","product_id":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x"}}],"category":"architecture","name":"s390x"},{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64","product":{"name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64","product_id":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 15 SP4","product":{"name":"SUSE Linux Enterprise Live Patching 15 SP4","product_id":"SUSE Linux Enterprise Live Patching 15 SP4","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-live-patching:15:sp4"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le as component of SUSE Linux Enterprise Live Patching 15 SP4","product_id":"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le"},"product_reference":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP4"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x as component of SUSE Linux Enterprise Live Patching 15 SP4","product_id":"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x"},"product_reference":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP4"},{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP4","product_id":"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"},"product_reference":"kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP4"}]},"vulnerabilities":[{"cve":"CVE-2022-50233","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2022-50233"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: eir: Fix using strlen with hdev->{dev_name,short_name}\n\nBoth dev_name and short_name are not guaranteed to be NULL terminated so\nthis instead use strnlen and then attempt to determine if the resulting\nstring needs to be truncated or not.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2022-50233","url":"https://www.suse.com/security/cve/CVE-2022-50233"},{"category":"external","summary":"SUSE Bug 1246968 for CVE-2022-50233","url":"https://bugzilla.suse.com/1246968"},{"category":"external","summary":"SUSE Bug 1247374 for CVE-2022-50233","url":"https://bugzilla.suse.com/1247374"},{"category":"external","summary":"SUSE Bug 1249242 for CVE-2022-50233","url":"https://bugzilla.suse.com/1249242"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-01-19T19:03:59Z","details":"important"}],"title":"CVE-2022-50233"},{"cve":"CVE-2022-50327","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2022-50327"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: idle: Check acpi_fetch_acpi_dev() return value\n\nThe return value of acpi_fetch_acpi_dev() could be NULL, which would\ncause a NULL pointer dereference to occur in acpi_device_hid().\n\n[ rjw: Subject and changelog edits, added empty line after if () ]","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2022-50327","url":"https://www.suse.com/security/cve/CVE-2022-50327"},{"category":"external","summary":"SUSE Bug 1249859 for CVE-2022-50327","url":"https://bugzilla.suse.com/1249859"},{"category":"external","summary":"SUSE Bug 1254451 for CVE-2022-50327","url":"https://bugzilla.suse.com/1254451"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-01-19T19:03:59Z","details":"important"}],"title":"CVE-2022-50327"},{"cve":"CVE-2022-50409","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2022-50409"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: If sock is dead don't access sock's sk_wq in sk_stream_wait_memory\n\nFixes the below NULL pointer dereference:\n\n  [...]\n  [   14.471200] Call Trace:\n  [   14.471562]  <TASK>\n  [   14.471882]  lock_acquire+0x245/0x2e0\n  [   14.472416]  ? remove_wait_queue+0x12/0x50\n  [   14.473014]  ? _raw_spin_lock_irqsave+0x17/0x50\n  [   14.473681]  _raw_spin_lock_irqsave+0x3d/0x50\n  [   14.474318]  ? remove_wait_queue+0x12/0x50\n  [   14.474907]  remove_wait_queue+0x12/0x50\n  [   14.475480]  sk_stream_wait_memory+0x20d/0x340\n  [   14.476127]  ? do_wait_intr_irq+0x80/0x80\n  [   14.476704]  do_tcp_sendpages+0x287/0x600\n  [   14.477283]  tcp_bpf_push+0xab/0x260\n  [   14.477817]  tcp_bpf_sendmsg_redir+0x297/0x500\n  [   14.478461]  ? __local_bh_enable_ip+0x77/0xe0\n  [   14.479096]  tcp_bpf_send_verdict+0x105/0x470\n  [   14.479729]  tcp_bpf_sendmsg+0x318/0x4f0\n  [   14.480311]  sock_sendmsg+0x2d/0x40\n  [   14.480822]  ____sys_sendmsg+0x1b4/0x1c0\n  [   14.481390]  ? copy_msghdr_from_user+0x62/0x80\n  [   14.482048]  ___sys_sendmsg+0x78/0xb0\n  [   14.482580]  ? vmf_insert_pfn_prot+0x91/0x150\n  [   14.483215]  ? __do_fault+0x2a/0x1a0\n  [   14.483738]  ? do_fault+0x15e/0x5d0\n  [   14.484246]  ? __handle_mm_fault+0x56b/0x1040\n  [   14.484874]  ? lock_is_held_type+0xdf/0x130\n  [   14.485474]  ? find_held_lock+0x2d/0x90\n  [   14.486046]  ? __sys_sendmsg+0x41/0x70\n  [   14.486587]  __sys_sendmsg+0x41/0x70\n  [   14.487105]  ? intel_pmu_drain_pebs_core+0x350/0x350\n  [   14.487822]  do_syscall_64+0x34/0x80\n  [   14.488345]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n  [...]\n\nThe test scenario has the following flow:\n\nthread1                               thread2\n-----------                           ---------------\n tcp_bpf_sendmsg\n  tcp_bpf_send_verdict\n   tcp_bpf_sendmsg_redir              sock_close\n    tcp_bpf_push_locked                 __sock_release\n     tcp_bpf_push                         //inet_release\n      do_tcp_sendpages                    sock->ops->release\n       sk_stream_wait_memory          \t   // tcp_close\n          sk_wait_event                      sk->sk_prot->close\n           release_sock(__sk);\n            ***\n                                                lock_sock(sk);\n                                                  __tcp_close\n                                                    sock_orphan(sk)\n                                                      sk->sk_wq  = NULL\n                                                release_sock\n            ****\n           lock_sock(__sk);\n          remove_wait_queue(sk_sleep(sk), &wait);\n             sk_sleep(sk)\n             //NULL pointer dereference\n             &rcu_dereference_raw(sk->sk_wq)->wait\n\nWhile waiting for memory in thread1, the socket is released with its wait\nqueue because thread2 has closed it. This caused by tcp_bpf_send_verdict\ndidn't increase the f_count of psock->sk_redir->sk_socket->file in thread1.\n\nWe should check if SOCK_DEAD flag is set on wakeup in sk_stream_wait_memory\nbefore accessing the wait queue.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2022-50409","url":"https://www.suse.com/security/cve/CVE-2022-50409"},{"category":"external","summary":"SUSE Bug 1247374 for CVE-2022-50409","url":"https://bugzilla.suse.com/1247374"},{"category":"external","summary":"SUSE Bug 1250392 for CVE-2022-50409","url":"https://bugzilla.suse.com/1250392"},{"category":"external","summary":"SUSE Bug 1250665 for CVE-2022-50409","url":"https://bugzilla.suse.com/1250665"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-01-19T19:03:59Z","details":"important"}],"title":"CVE-2022-50409"},{"cve":"CVE-2022-50490","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2022-50490"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Propagate error from htab_lock_bucket() to userspace\n\nIn __htab_map_lookup_and_delete_batch() if htab_lock_bucket() returns\n-EBUSY, it will go to next bucket. Going to next bucket may not only\nskip the elements in current bucket silently, but also incur\nout-of-bound memory access or expose kernel memory to userspace if\ncurrent bucket_cnt is greater than bucket_size or zero.\n\nFixing it by stopping batch operation and returning -EBUSY when\nhtab_lock_bucket() fails, and the application can retry or skip the busy\nbatch as needed.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2022-50490","url":"https://www.suse.com/security/cve/CVE-2022-50490"},{"category":"external","summary":"SUSE Bug 1251164 for CVE-2022-50490","url":"https://bugzilla.suse.com/1251164"},{"category":"external","summary":"SUSE Bug 1251165 for CVE-2022-50490","url":"https://bugzilla.suse.com/1251165"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-01-19T19:03:59Z","details":"important"}],"title":"CVE-2022-50490"},{"cve":"CVE-2023-53676","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-53676"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()\n\nThe function lio_target_nacl_info_show() uses sprintf() in a loop to print\ndetails for every iSCSI connection in a session without checking for the\nbuffer length. With enough iSCSI connections it's possible to overflow the\nbuffer provided by configfs and corrupt the memory.\n\nThis patch replaces sprintf() with sysfs_emit_at() that checks for buffer\nboundries.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-53676","url":"https://www.suse.com/security/cve/CVE-2023-53676"},{"category":"external","summary":"SUSE Bug 1251786 for CVE-2023-53676","url":"https://bugzilla.suse.com/1251786"},{"category":"external","summary":"SUSE Bug 1251787 for CVE-2023-53676","url":"https://bugzilla.suse.com/1251787"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-01-19T19:03:59Z","details":"important"}],"title":"CVE-2023-53676"},{"cve":"CVE-2025-38476","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-38476"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nrpl: Fix use-after-free in rpl_do_srh_inline().\n\nRunning lwt_dst_cache_ref_loop.sh in selftest with KASAN triggers\nthe splat below [0].\n\nrpl_do_srh_inline() fetches ipv6_hdr(skb) and accesses it after\nskb_cow_head(), which is illegal as the header could be freed then.\n\nLet's fix it by making oldhdr to a local struct instead of a pointer.\n\n[0]:\n[root@fedora net]# ./lwt_dst_cache_ref_loop.sh\n...\nTEST: rpl (input)\n[   57.631529] ==================================================================\nBUG: KASAN: slab-use-after-free in rpl_do_srh_inline.isra.0 (net/ipv6/rpl_iptunnel.c:174)\nRead of size 40 at addr ffff888122bf96d8 by task ping6/1543\n\nCPU: 50 UID: 0 PID: 1543 Comm: ping6 Not tainted 6.16.0-rc5-01302-gfadd1e6231b1 #23 PREEMPT(voluntary)\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nCall Trace:\n <IRQ>\n dump_stack_lvl (lib/dump_stack.c:122)\n print_report (mm/kasan/report.c:409 mm/kasan/report.c:521)\n kasan_report (mm/kasan/report.c:221 mm/kasan/report.c:636)\n kasan_check_range (mm/kasan/generic.c:175 (discriminator 1) mm/kasan/generic.c:189 (discriminator 1))\n __asan_memmove (mm/kasan/shadow.c:94 (discriminator 2))\n rpl_do_srh_inline.isra.0 (net/ipv6/rpl_iptunnel.c:174)\n rpl_input (net/ipv6/rpl_iptunnel.c:201 net/ipv6/rpl_iptunnel.c:282)\n lwtunnel_input (net/core/lwtunnel.c:459)\n ipv6_rcv (./include/net/dst.h:471 (discriminator 1) ./include/net/dst.h:469 (discriminator 1) net/ipv6/ip6_input.c:79 (discriminator 1) ./include/linux/netfilter.h:317 (discriminator 1) ./include/linux/netfilter.h:311 (discriminator 1) net/ipv6/ip6_input.c:311 (discriminator 1))\n __netif_receive_skb_one_core (net/core/dev.c:5967)\n process_backlog (./include/linux/rcupdate.h:869 net/core/dev.c:6440)\n __napi_poll.constprop.0 (net/core/dev.c:7452)\n net_rx_action (net/core/dev.c:7518 net/core/dev.c:7643)\n handle_softirqs (kernel/softirq.c:579)\n do_softirq (kernel/softirq.c:480 (discriminator 20))\n </IRQ>\n <TASK>\n __local_bh_enable_ip (kernel/softirq.c:407)\n __dev_queue_xmit (net/core/dev.c:4740)\n ip6_finish_output2 (./include/linux/netdevice.h:3358 ./include/net/neighbour.h:526 ./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141)\n ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226)\n ip6_output (./include/linux/netfilter.h:306 net/ipv6/ip6_output.c:248)\n ip6_send_skb (net/ipv6/ip6_output.c:1983)\n rawv6_sendmsg (net/ipv6/raw.c:588 net/ipv6/raw.c:918)\n __sys_sendto (net/socket.c:714 (discriminator 1) net/socket.c:729 (discriminator 1) net/socket.c:2228 (discriminator 1))\n __x64_sys_sendto (net/socket.c:2231)\n do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\nRIP: 0033:0x7f68cffb2a06\nCode: 5d e8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 75 19 83 e2 39 83 fa 08 75 11 e8 26 ff ff ff 66 0f 1f 44 00 00 48 8b 45 10 0f 05 <48> 8b 5d f8 c9 c3 0f 1f 40 00 f3 0f 1e fa 55 48 89 e5 48 83 ec 08\nRSP: 002b:00007ffefb7c53d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c\nRAX: ffffffffffffffda RBX: 0000564cd69f10a0 RCX: 00007f68cffb2a06\nRDX: 0000000000000040 RSI: 0000564cd69f10a4 RDI: 0000000000000003\nRBP: 00007ffefb7c53f0 R08: 0000564cd6a032ac R09: 000000000000001c\nR10: 0000000000000000 R11: 0000000000000202 R12: 0000564cd69f10a4\nR13: 0000000000000040 R14: 00007ffefb7c66e0 R15: 0000564cd69f10a0\n </TASK>\n\nAllocated by task 1543:\n kasan_save_stack (mm/kasan/common.c:48)\n kasan_save_track (mm/kasan/common.c:60 (discriminator 1) mm/kasan/common.c:69 (discriminator 1))\n __kasan_slab_alloc (mm/kasan/common.c:319 mm/kasan/common.c:345)\n kmem_cache_alloc_node_noprof (./include/linux/kasan.h:250 mm/slub.c:4148 mm/slub.c:4197 mm/slub.c:4249)\n kmalloc_reserve (net/core/skbuff.c:581 (discriminator 88))\n __alloc_skb (net/core/skbuff.c:669)\n __ip6_append_data (net/ipv6/ip6_output.c:1672 (discriminator 1))\n ip6_\n---truncated---","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-38476","url":"https://www.suse.com/security/cve/CVE-2025-38476"},{"category":"external","summary":"SUSE Bug 1247317 for CVE-2025-38476","url":"https://bugzilla.suse.com/1247317"},{"category":"external","summary":"SUSE Bug 1251203 for CVE-2025-38476","url":"https://bugzilla.suse.com/1251203"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-01-19T19:03:59Z","details":"important"}],"title":"CVE-2025-38476"},{"cve":"CVE-2025-38572","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-38572"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: reject malicious packets in ipv6_gso_segment()\n\nsyzbot was able to craft a packet with very long IPv6 extension headers\nleading to an overflow of skb->transport_header.\n\nThis 16bit field has a limited range.\n\nAdd skb_reset_transport_header_careful() helper and use it\nfrom ipv6_gso_segment()\n\nWARNING: CPU: 0 PID: 5871 at ./include/linux/skbuff.h:3032 skb_reset_transport_header include/linux/skbuff.h:3032 [inline]\nWARNING: CPU: 0 PID: 5871 at ./include/linux/skbuff.h:3032 ipv6_gso_segment+0x15e2/0x21e0 net/ipv6/ip6_offload.c:151\nModules linked in:\nCPU: 0 UID: 0 PID: 5871 Comm: syz-executor211 Not tainted 6.16.0-rc6-syzkaller-g7abc678e3084 #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025\n RIP: 0010:skb_reset_transport_header include/linux/skbuff.h:3032 [inline]\n RIP: 0010:ipv6_gso_segment+0x15e2/0x21e0 net/ipv6/ip6_offload.c:151\nCall Trace:\n <TASK>\n  skb_mac_gso_segment+0x31c/0x640 net/core/gso.c:53\n  nsh_gso_segment+0x54a/0xe10 net/nsh/nsh.c:110\n  skb_mac_gso_segment+0x31c/0x640 net/core/gso.c:53\n  __skb_gso_segment+0x342/0x510 net/core/gso.c:124\n  skb_gso_segment include/net/gso.h:83 [inline]\n  validate_xmit_skb+0x857/0x11b0 net/core/dev.c:3950\n  validate_xmit_skb_list+0x84/0x120 net/core/dev.c:4000\n  sch_direct_xmit+0xd3/0x4b0 net/sched/sch_generic.c:329\n  __dev_xmit_skb net/core/dev.c:4102 [inline]\n  __dev_queue_xmit+0x17b6/0x3a70 net/core/dev.c:4679","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-38572","url":"https://www.suse.com/security/cve/CVE-2025-38572"},{"category":"external","summary":"SUSE Bug 1248399 for CVE-2025-38572","url":"https://bugzilla.suse.com/1248399"},{"category":"external","summary":"SUSE Bug 1248400 for CVE-2025-38572","url":"https://bugzilla.suse.com/1248400"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-01-19T19:03:59Z","details":"important"}],"title":"CVE-2025-38572"},{"cve":"CVE-2025-40204","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-40204"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: Fix MAC comparison to be constant-time\n\nTo prevent timing attacks, MACs need to be compared in constant time.\nUse the appropriate helper function for this.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-40204","url":"https://www.suse.com/security/cve/CVE-2025-40204"},{"category":"external","summary":"SUSE Bug 1253436 for CVE-2025-40204","url":"https://bugzilla.suse.com/1253436"},{"category":"external","summary":"SUSE Bug 1253437 for CVE-2025-40204","url":"https://bugzilla.suse.com/1253437"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_176-default-6-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-01-19T19:03:59Z","details":"important"}],"title":"CVE-2025-40204"}]}