{"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 RT (Live Patch 4 for SLE 15 SP7)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 6.4.0-150700_7_16 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2025-38678: netfilter: nf_tables: reject duplicate device on updates (bsc#1249534).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2025-3648,SUSE-SLE-Module-Live-Patching-15-SP7-2025-3648","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_03648-1.json"},{"category":"self","summary":"URL for SUSE-SU-2025:03648-1","url":"https://www.suse.com/support/update/announcement/2025/suse-su-202503648-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2025:03648-1","url":"https://lists.suse.com/pipermail/sle-updates/2025-October/042209.html"},{"category":"self","summary":"SUSE Bug 1249534","url":"https://bugzilla.suse.com/1249534"},{"category":"self","summary":"SUSE CVE CVE-2025-38678 page","url":"https://www.suse.com/security/cve/CVE-2025-38678/"}],"title":"Security update for the Linux Kernel RT (Live Patch 4 for SLE 15 SP7)","tracking":{"current_release_date":"2025-10-18T10:33:43Z","generator":{"date":"2025-10-18T10:33:43Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2025:03648-1","initial_release_date":"2025-10-18T10:33:43Z","revision_history":[{"date":"2025-10-18T10:33:43Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64","product":{"name":"kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64","product_id":"kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 15 SP7","product":{"name":"SUSE Linux Enterprise Live Patching 15 SP7","product_id":"SUSE Linux Enterprise Live Patching 15 SP7","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-live-patching:15:sp7"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP7","product_id":"SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64"},"product_reference":"kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 15 SP7"}]},"vulnerabilities":[{"cve":"CVE-2025-38678","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-38678"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: reject duplicate device on updates\n\nA chain/flowtable update with duplicated devices in the same batch is\npossible. Unfortunately, netdev event path only removes the first\ndevice that is found, leaving unregistered the hook of the duplicated\ndevice.\n\nCheck if a duplicated device exists in the transaction batch, bail out\nwith EEXIST in such case.\n\nWARNING is hit when unregistering the hook:\n\n [49042.221275] WARNING: CPU: 4 PID: 8425 at net/netfilter/core.c:340 nf_hook_entry_head+0xaa/0x150\n [49042.221375] CPU: 4 UID: 0 PID: 8425 Comm: nft Tainted: G S                  6.16.0+ #170 PREEMPT(full)\n [...]\n [49042.221382] RIP: 0010:nf_hook_entry_head+0xaa/0x150","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-38678","url":"https://www.suse.com/security/cve/CVE-2025-38678"},{"category":"external","summary":"SUSE Bug 1249126 for CVE-2025-38678","url":"https://bugzilla.suse.com/1249126"},{"category":"external","summary":"SUSE Bug 1249534 for CVE-2025-38678","url":"https://bugzilla.suse.com/1249534"}],"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 SP7:kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_7_16-rt-2-150700.2.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-10-18T10:33:43Z","details":"important"}],"title":"CVE-2025-38678"}]}