QID 241022

Date Published: 2022-12-19

QID 241022: Red Hat Update for kpatch-patch (RHSA-2022:9082)

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):

    kernel: kvm: cmpxchg_gpte can write to pfns outside the userspace region (cve-2022-1158).
    Kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (cve-2022-2639).
    Kernel: watch queue race condition can lead to privilege escalation (cve-2022-2959).
    Kernel: nfsd buffer overflow by rpc message over tcp with garbage data (cve-2022-43945).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 9.0 x86_64.
    Red hat enterprise linux for power, little endian - extended update support 9.0 ppc64le.
    Red hat enterprise linux server for power le - update services for sap solutions 9.0 ppc64le.
    Red hat enterprise linux for x86_64 - update services for sap solutions 9.0 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-2022:9082 for updates and patch information.
    Vendor References

    CVEs related to QID 241022

    CVE-2022-1158 | CVE-2022-2639 | CVE-2022-2959 | CVE-2022-43945 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:9082 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:9082
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