{"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 39 for SLE 15 SP4)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 5.14.21-150400_24_161 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2024-56558: nfsd: make sure exp active before svc_export_show (bsc#1243648).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2025-2469,SUSE-SLE-Module-Live-Patching-15-SP4-2025-2469","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-2025_02469-1.json"},{"category":"self","summary":"URL for SUSE-SU-2025:02469-1","url":"https://www.suse.com/support/update/announcement/2025/suse-su-202502469-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2025:02469-1","url":"https://lists.suse.com/pipermail/sle-updates/2025-July/040866.html"},{"category":"self","summary":"SUSE Bug 1243648","url":"https://bugzilla.suse.com/1243648"},{"category":"self","summary":"SUSE CVE CVE-2024-56558 page","url":"https://www.suse.com/security/cve/CVE-2024-56558/"}],"title":"Security update for the Linux Kernel (Live Patch 39 for SLE 15 SP4)","tracking":{"current_release_date":"2025-07-22T19:03:55Z","generator":{"date":"2025-07-22T19:03:55Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2025:02469-1","initial_release_date":"2025-07-22T19:03:55Z","revision_history":[{"date":"2025-07-22T19:03:55Z","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_161-default-2-150400.2.1.ppc64le","product":{"name":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.ppc64le","product_id":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.s390x","product":{"name":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.s390x","product_id":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.s390x"}}],"category":"architecture","name":"s390x"},{"branches":[{"category":"product_version","name":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.x86_64","product":{"name":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.x86_64","product_id":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.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_161-default-2-150400.2.1.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_161-default-2-150400.2.1.ppc64le"},"product_reference":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.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_161-default-2-150400.2.1.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_161-default-2-150400.2.1.s390x"},"product_reference":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.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_161-default-2-150400.2.1.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_161-default-2-150400.2.1.x86_64"},"product_reference":"kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP4"}]},"vulnerabilities":[{"cve":"CVE-2024-56558","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2024-56558"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: make sure exp active before svc_export_show\n\nThe function `e_show` was called with protection from RCU. This only\nensures that `exp` will not be freed. Therefore, the reference count for\n`exp` can drop to zero, which will trigger a refcount use-after-free\nwarning when `exp_get` is called. To resolve this issue, use\n`cache_get_rcu` to ensure that `exp` remains active.\n\n------------[ cut here ]------------\nrefcount_t: addition on 0; use-after-free.\nWARNING: CPU: 3 PID: 819 at lib/refcount.c:25\nrefcount_warn_saturate+0xb1/0x120\nCPU: 3 UID: 0 PID: 819 Comm: cat Not tainted 6.12.0-rc3+ #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.16.1-2.fc37 04/01/2014\nRIP: 0010:refcount_warn_saturate+0xb1/0x120\n...\nCall Trace:\n <TASK>\n e_show+0x20b/0x230 [nfsd]\n seq_read_iter+0x589/0x770\n seq_read+0x1e5/0x270\n vfs_read+0x125/0x530\n ksys_read+0xc1/0x160\n do_syscall_64+0x5f/0x170\n entry_SYSCALL_64_after_hwframe+0x76/0x7e","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2024-56558","url":"https://www.suse.com/security/cve/CVE-2024-56558"},{"category":"external","summary":"SUSE Bug 1235100 for CVE-2024-56558","url":"https://bugzilla.suse.com/1235100"},{"category":"external","summary":"SUSE Bug 1243648 for CVE-2024-56558","url":"https://bugzilla.suse.com/1243648"}],"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_161-default-2-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.ppc64le","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.s390x","SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_161-default-2-150400.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-07-22T19:03:55Z","details":"moderate"}],"title":"CVE-2024-56558"}]}