QID 240956

Date Published: 2022-11-30

QID 240956: Red Hat Update for kpatch-patch (RHSA-2022:8686)

This is a kernel live patch module which is automatically loaded by the rpm post-install script to modify the code of a running kernel...Security Fix(es):

    kvm: cmpxchg_gpte can write to pfns outside the userspace region (cve-2022-1158).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 8.4 x86_64.
    Red hat enterprise linux server - aus 8.4 x86_64.
    Red hat enterprise linux server - tus 8.4 x86_64.
    Red hat enterprise linux for x86_64 - update services for sap solutions 8.4 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 - 7.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:8686 for updates and patch information.
    Vendor References

    CVEs related to QID 240956

    CVE-2022-1158 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:8686 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:8686
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