QID 241886

Date Published: 2023-08-02

QID 241886: Red Hat Update for kernel-rt (RHSA-2023:4378)

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: ipvlan: out-of-bounds write caused by unclear skb->cb (cve-2023-3090).
    Kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (cve-2023-35788).
    Kernel: kvm: x86/mmu: race condition in direct_page_fault() (cve-2022-45869).
    Kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c (cve-2023-0458).
    Kernel: spectre v2 smt mitigations problem (cve-2023-1998).
Affected Products:
    Red Hat enterprise linux for real time 9 x86_64.
    Red hat enterprise linux for real time for nfv 9 x86_64.
.

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-2023:4378 for updates and patch information.
    Vendor References

    CVEs related to QID 241886

    CVE-2022-45869 | CVE-2023-0458 | CVE-2023-1998 | CVE-2023-3090 | CVE-2023-35788 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:4378 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:4378
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