QID 242830

Date Published: 2024-02-07

QID 242830: Red Hat Update for kernel-rt (RHSA-2024:0563)

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: bpf: incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (cve-2023-2163).
    Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (cve-2023-3812).
    Kernel: use after free in unix_stream_sendpage (cve-2023-4622).
    Kernel: net/sched: sch_hfsc uaf (cve-2023-4623).
    Kernel: use-after-free in sch_qfq network scheduler (cve-2023-4921).
    Kernel: netfilter: potential slab-out-of-bound access due to integer underflow (cve-2023-42753).
    Kernel: igb driver inadequate buffer size for frames larger than mtu (cve-2023-45871).
    Hw: intel: gather data sampling (gds) side channel vulnerability (cve-2022-40982).
    Kernel: uaf during login when accessing the shost ipaddress (cve-2023-2162).
    Kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (cve-2023-38409).
    Kernel: use-after-free in smb2_is_status_io_timeout() (cve-2023-1192).
Affected Products:
    Red Hat enterprise linux for real time - telecommunications update service 8.4 x86_64.
    Red hat enterprise linux for real time for nfv - telecommunications update service 8.4 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 Critical - 8.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2024:0563 for updates and patch information.
    Vendor References

    CVEs related to QID 242830

    CVE-2023-45871 | CVE-2022-40982 | CVE-2023-1192 | CVE-2023-2162 | CVE-2023-2163 | CVE-2023-3812 | CVE-2023-38409 | CVE-2023-42753 | CVE-2023-4622 | CVE-2023-4623 | CVE-2023-4921 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2024:0563 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2024:0563
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