QID 240544

Date Published: 2022-07-20

QID 240544: Red Hat Update for kernel-rt (RHSA-2022:5633)

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: small table perturb size in the tcp source port generation algorithm can lead to information leak (cve-2022-1012)
  • kernel: race condition in perf_event_open leads to privilege escalation (cve-2022-1729)
  • kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (cve-2022-32250)
  • kernel: cgroup: use open-time creds and namespace for migration perm checks (cve-2021-4197)
  • kernel: race condition in races in sk_peer_pid and sk_peer_cred accesses (cve-2021-4203)
  • kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a thp mapcount check (cve-2020-29368)

Affected Products:

  • Red Hat enterprise linux for real time - telecommunications update service 8.4 x86_64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:5633 for updates and patch information.
    Vendor References

    CVEs related to QID 240544

    CVE-2020-29368 | CVE-2021-4197 | CVE-2021-4203 | CVE-2022-1012 | CVE-2022-1729 | CVE-2022-32250 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:5633 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:5633
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