QID 241260

Date Published: 2023-03-20

QID 241260: Red Hat Update for kernel-rt (RHSA-2023:1203)

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 caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (cve-2022-3564).
    Kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (cve-2022-4378).
    Kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote denial of service attack (cve-2022-4379).
    Kernel: netfilter integer overflow vulnerability in nft_payload_copy_vlan (cve-2023-0179).
    Alsa: pcm: move rwsem lock inside snd_ctl_elem_read to prevent uaf (cve-2023-0266).
    Kernel: net: cpu soft lockup in tc mirred egress-to-ingress action (cve-2022-4269).
Affected Products:
    Red Hat enterprise linux for real time for x86_64 - 4 years of updates 9.0 x86_64.
    Red hat enterprise linux for real time for nfv for x86_64 - 4 years of updates 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-2023:1203 for updates and patch information.
    Vendor References

    CVEs related to QID 241260

    CVE-2022-3564 | CVE-2022-4269 | CVE-2022-4378 | CVE-2022-4379 | CVE-2023-0179 | CVE-2023-0266 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:1203 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:1203
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