QID 241328

Date Published: 2023-04-06

QID 241328: Red Hat Update for kpatch-patch (RHSA-2023:1659)

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: stack overflow in do_proc_dointvec and proc_skip_spaces (cve-2022-4378).
    Alsa: pcm: move rwsem lock inside snd_ctl_elem_read to prevent uaf (cve-2023-0266).
    Kernel: fuse filesystem low-privileged user privileges escalation (cve-2023-0386).
    Kpatch: mm/mremap.c: incomplete fix for cve-2022-41222 (cve-2023-1476).
Affected Products:
    Red Hat enterprise linux for x86_64 8 x86_64.
    Red hat enterprise linux for power, little endian 8 ppc64le.
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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-2023:1659 for updates and patch information.
    Vendor References

    CVEs related to QID 241328

    CVE-2022-4378 | CVE-2023-0266 | CVE-2023-0386 | CVE-2023-1476 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:1659 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:1659
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