QID 240598

Date Published: 2022-08-10

QID 240598: Red Hat Update for kernel-rt (RHSA-2022:5939)

the kernel-rt packages provide the real time linux kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):
  • incomplete cleanup of multi-core shared buffers (aka sbdr) (cve-2022-21123)
  • incomplete cleanup of microarchitectural fill buffers (aka sbds) (cve-2022-21125)
  • incomplete cleanup in specific special register write operations (aka drpw) (cve-2022-21166)

Affected Products:

  • Red Hat enterprise linux for real time 7 x86_64
  • Red Hat enterprise linux for real time for nfv 7 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 Medium - 5.5 severity.
  • CVSS V2 rated as Low - 2.1 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:5939 for updates and patch information.
    Vendor References

    CVEs related to QID 240598

    CVE-2022-21123 | CVE-2022-21125 | CVE-2022-21166 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:5939 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:5939
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