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SUSE-SU-2025:3684-1

Опубликовано: 20 окт. 2025
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 72 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122_272 fixes one issue.

The following security issue was fixed:

  • CVE-2022-50386: Bluetooth: L2CAP: Fix user-after-free (bsc#1250302).

Список пакетов

SUSE Linux Enterprise Live Patching 12 SP5
kgraft-patch-4_12_14-122_272-default-2-2.1

Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2cap_chan_hold_unless_zero() after calling __l2cap_get_chan_blah() to prevent the following trace: Bluetooth: l2cap_core.c:static void l2cap_chan_destroy(struct kref *kref) Bluetooth: chan 0000000023c4974d Bluetooth: parent 00000000ae861c08 ================================================================== BUG: KASAN: use-after-free in __mutex_waiter_is_first kernel/locking/mutex.c:191 [inline] BUG: KASAN: use-after-free in __mutex_lock_common kernel/locking/mutex.c:671 [inline] BUG: KASAN: use-after-free in __mutex_lock+0x278/0x400 kernel/locking/mutex.c:729 Read of size 8 at addr ffff888006a49b08 by task kworker/u3:2/389

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_272-default-2-2.1
Ссылки
Уязвимость SUSE-SU-2025:3684-1