QID 242500

Date Published: 2023-11-22

QID 242500: Red Hat Update for kernel-rt (RHSA-2023:7431)

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

    kernel: use-after-free vulnerability in the linux kernel traffic control index filter (cve-2023-1829).
    Kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (cve-2023-3609).
    Kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (cve-2023-3776).
    Kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (cve-2023-4004).
Affected Products:
    Red Hat enterprise linux for real time - telecommunications update service 8.2 x86_64.
    Red hat enterprise linux for real time for nfv - telecommunications update service 8.2 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-2023:7431 for updates and patch information.
    Vendor References

    CVEs related to QID 242500

    CVE-2023-4004 | CVE-2023-1829 | CVE-2023-3609 | CVE-2023-3776 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:7431 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:7431
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