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SUSE-SU-2025:03552-1

Опубликовано: 11 окт. 2025
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 42 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-150400_24_170 fixes one issue.

The following security issue was fixed:

  • CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315).

Список пакетов

SUSE Linux Enterprise Live Patching 15 SP4
kernel-livepatch-5_14_21-150400_24_170-default-5-150400.2.1

Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: Fix race condition on qfq_aggregate A race condition can occur when 'agg' is modified in qfq_change_agg (called during qfq_enqueue) while other threads access it concurrently. For example, qfq_dump_class may trigger a NULL dereference, and qfq_delete_class may cause a use-after-free. This patch addresses the issue by: 1. Moved qfq_destroy_class into the critical section. 2. Added sch_tree_lock protection to qfq_dump_class and qfq_dump_class_stats.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_170-default-5-150400.2.1
Ссылки