QID 240811

Date Published: 2022-11-03

QID 240811: Red Hat Update for kernel-rt (RHSA-2022:7338)

The kernel-rt packages provide the real time linux kernel, which enables fine-tuning for systems with extremely high determinism requirements...Security Fix(es):

    a use-after-free in cls_route filter implementation may lead to privilege escalation (cve-2022-2588).
    Retbleed arbitrary speculative code execution with return instructions (cve-2022-23816, cve-2022-29900).
    Branch type confusion (non-retbleed) (cve-2022-23825).
    Intel: post-barrier return stack buffer predictions (cve-2022-26373).
    Intel: retbleed arbitrary speculative code execution with return instructions (cve-2022-29901).
Affected Products:
    Red Hat enterprise linux for real time 7 x86_64.
    Red hat enterprise linux for real time for nfv 7 x86_64.
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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 - 6.5 severity.
  • CVSS V2 rated as Low - 2.1 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:7338 for updates and patch information.
    Vendor References

    CVEs related to QID 240811

    CVE-2022-2588 | CVE-2022-23816 | CVE-2022-23825 | CVE-2022-26373 | CVE-2022-29900 | CVE-2022-29901 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:7338 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:7338
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