SUSE-SU-2026:1130-1

Description of the patch:

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2021-47110: Fixed possible memory corruption when restoring from hibernation in x86/kvm (bsc#1221532).
• CVE-2025-21738: ata: libata-sff: Ensure that we cannot write outside the allocated buffer (bsc#1238917).
• CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc (bsc#1257749).
• CVE-2026-23089: ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free() (bsc#1257790).
• CVE-2026-23191: ALSA: aloop: Fix racy access at PCM trigger (bsc#1258395).

The following non-security bugs were fixed:

• Disable CONFIG_NET_SCH_ATM (jsc#PED-12836).