ALSA-2023:0854

ALSA-2023:0854 · Important: kernel-rt security and bug fix update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: mm/mremap.c use-after-free vulnerability (CVE-2022-41222) * kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945) * kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * AlmaLinux8-RT: Backport use of a dedicate thread for timer wakeups (BZ#2127204) * SNO Crashed twice - kernel BUG at lib/list_debug.c:28 (BZ#2132062) * Cannot trigger kernel dump using NMI on SNO node running PAO and RT kernel [RT-8] (BZ#2139851) * scheduling while atomic in fpu_clone() -> fpu_inherit_perms() (BZ#2154469) * The latest AlmaLinux 8.7.z2 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2159806)

Fix available

Published

2023-02-21T00:00:00Z

Updated

2026-02-04T04:15:35.040885Z

Stack: system

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