RLSA-2023:1584

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Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2023:1584.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2023:1584
Related
Published
2023-04-26T15:28:18.591743Z
Modified
2023-04-26T15:29:58.145211Z
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: stack overflow in doprocdointvec and procskipspaces (CVE-2022-4378)

  • ALSA: pcm: Move rwsem lock inside sndctlelem_read to prevent UAF (CVE-2023-0266)

  • kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)

  • kernel: net: CPU soft lockup in TC mirred egress-to-ingress action (CVE-2022-4269)

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):

  • Lazy irqwork does not raise softirq on PREEMPTRT [rhel-8] (BZ#2172163)

  • The latest Rocky Linux 8.7.z3 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2172278)

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
0:4.18.0-425.19.2.rt7.230.el8_7