A kernel-rt security and bug fix update has been released for AlmaLinux 8.

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

Type:
security

Severity:
important

Release date:
2023-02-21

Description
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)

References:
RHSA-2023:0854
CVE-2022-2873
CVE-2022-41222
CVE-2022-43945
ALSA-2023:0854

Updates packages:
kernel-rt-modules-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-debug-modules-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-core-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-devel-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-debug-kvm-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-modules-extra-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-debug-modules-extra-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-kvm-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-debug-core-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-debug-devel-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm
kernel-rt-debug-4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm

Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.

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