{"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 69 for SLE 12 SP5)","title":"Title of the patch"},{"category":"description","text":"This update for the Linux Kernel 4.12.14-122_261 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2025-3497,SUSE-SLE-Live-Patching-12-SP5-2025-3497","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_03497-1.json"},{"category":"self","summary":"URL for SUSE-SU-2025:03497-1","url":"https://www.suse.com/support/update/announcement/2025/suse-su-202503497-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2025:03497-1","url":"https://lists.suse.com/pipermail/sle-updates/2025-October/042033.html"},{"category":"self","summary":"SUSE Bug 1247315","url":"https://bugzilla.suse.com/1247315"},{"category":"self","summary":"SUSE CVE CVE-2025-38477 page","url":"https://www.suse.com/security/cve/CVE-2025-38477/"}],"title":"Security update for the Linux Kernel (Live Patch 69 for SLE 12 SP5)","tracking":{"current_release_date":"2025-10-08T14:35:21Z","generator":{"date":"2025-10-08T14:35:21Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2025:03497-1","initial_release_date":"2025-10-08T14:35:21Z","revision_history":[{"date":"2025-10-08T14:35:21Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le","product":{"name":"kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le","product_id":"kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le"}}],"category":"architecture","name":"ppc64le"},{"branches":[{"category":"product_version","name":"kgraft-patch-4_12_14-122_261-default-5-2.1.s390x","product":{"name":"kgraft-patch-4_12_14-122_261-default-5-2.1.s390x","product_id":"kgraft-patch-4_12_14-122_261-default-5-2.1.s390x"}}],"category":"architecture","name":"s390x"},{"branches":[{"category":"product_version","name":"kgraft-patch-4_12_14-122_261-default-5-2.1.x86_64","product":{"name":"kgraft-patch-4_12_14-122_261-default-5-2.1.x86_64","product_id":"kgraft-patch-4_12_14-122_261-default-5-2.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Live Patching 12 SP5","product":{"name":"SUSE Linux Enterprise Live Patching 12 SP5","product_id":"SUSE Linux Enterprise Live Patching 12 SP5","product_identification_helper":{"cpe":"cpe:/o:suse:sle-live-patching:12:sp5"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le as component of SUSE Linux Enterprise Live Patching 12 SP5","product_id":"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le"},"product_reference":"kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"kgraft-patch-4_12_14-122_261-default-5-2.1.s390x as component of SUSE Linux Enterprise Live Patching 12 SP5","product_id":"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.s390x"},"product_reference":"kgraft-patch-4_12_14-122_261-default-5-2.1.s390x","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 12 SP5"},{"category":"default_component_of","full_product_name":{"name":"kgraft-patch-4_12_14-122_261-default-5-2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 12 SP5","product_id":"SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.x86_64"},"product_reference":"kgraft-patch-4_12_14-122_261-default-5-2.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Live Patching 12 SP5"}]},"vulnerabilities":[{"cve":"CVE-2025-38477","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-38477"}],"notes":[{"category":"general","text":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: sch_qfq: Fix race condition on qfq_aggregate\n\nA race condition can occur when 'agg' is modified in qfq_change_agg\n(called during qfq_enqueue) while other threads access it\nconcurrently. For example, qfq_dump_class may trigger a NULL\ndereference, and qfq_delete_class may cause a use-after-free.\n\nThis patch addresses the issue by:\n\n1. Moved qfq_destroy_class into the critical section.\n\n2. Added sch_tree_lock protection to qfq_dump_class and\nqfq_dump_class_stats.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.s390x","SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2025-38477","url":"https://www.suse.com/security/cve/CVE-2025-38477"},{"category":"external","summary":"SUSE Bug 1247314 for CVE-2025-38477","url":"https://bugzilla.suse.com/1247314"},{"category":"external","summary":"SUSE Bug 1247315 for CVE-2025-38477","url":"https://bugzilla.suse.com/1247315"}],"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 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.s390x","SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.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 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.ppc64le","SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.s390x","SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_261-default-5-2.1.x86_64"]}],"threats":[{"category":"impact","date":"2025-10-08T14:35:21Z","details":"important"}],"title":"CVE-2025-38477"}]}