QID 242847

Date Published: 2024-02-07

QID 242847: Red Hat Update for kernel-rt (RHSA-2024:0431)

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: net/sched: sch_hfsc uaf (cve-2023-4623).
    Kernel: use after free in nvmet_tcp_free_crypto in nvme (cve-2023-5178).
    Kernel: igb driver inadequate buffer size for frames larger than mtu (cve-2023-45871).
    Kernel: xfrm_expand_policies() in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice (cve-2022-36879).
    Kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (cve-2022-41858).
    Kernel: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (cve-2023-1195).
    Kernel: uaf during login when accessing the shost ipaddress (cve-2023-2162).
    Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race (cve-2023-3567).
    Kernel: use-after-free in netfilter: nf_tables (cve-2023-3777).
    Kernel: sev-es local priv escalation (cve-2023-46813).
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.
.

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 Critical - 9.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2024:0431 for updates and patch information.
    Vendor References

    CVEs related to QID 242847

    CVE-2023-46813 | CVE-2022-36879 | CVE-2022-41858 | CVE-2023-1195 | CVE-2023-2162 | CVE-2023-3567 | CVE-2023-3777 | CVE-2023-45871 | CVE-2023-4623 | CVE-2023-5178 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2024:0431 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2024:0431
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