QID 242142

Date Published: 2023-10-11

QID 242142: Red Hat Update for kpatch-patch (RHSA-2023:5575)

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: net/sched: use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (cve-2023-4128).
    Kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (cve-2023-31248).
    Kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (cve-2023-35001).
    Kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (cve-2023-35788).
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-2023:5575 for updates and patch information.
    Vendor References

    CVEs related to QID 242142

    CVE-2023-4128 | CVE-2023-31248 | CVE-2023-35001 | CVE-2023-35788 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:5575 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:5575
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