RLSA-2023:0854

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Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2023:0854.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2023:0854
Related
Published
2023-02-22T01:08:59.051614Z
Modified
2023-02-22T01:10:38.642008Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Important: kernel-rt security and bug fix update
Details

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):

  • Rocky Linux8-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 fpuclone() -> fpuinherit_perms() (BZ#2154469)

  • The latest Rocky Linux 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
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / kernel-rt

Package

Name
kernel-rt
Purl
pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-425.13.1.rt7.223.el8_7