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High 1 exploited CVE RLSA-2023:1469 3 CVEs

Important: kernel-rt security and bug fix update

Published Apr 6, 2023 · Updated Feb 4, 2026

Summary

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: tun: avoid double free in tun_free_netdev (CVE-2022-4744)

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

* 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):

* kernel-rt: update RT source tree to the latest Rocky Linux-9.1.z3 Batch (BZ#2170460)

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 kernel-rt 0:5.14.0-162.22.2.rt21.186.el9_1

Vulnerabilities 3

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2150272
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2156322
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2163379