QID 242526

Date Published: 2023-11-29

QID 242526: Red Hat Update for kernel-rt (RHSA-2023:7548)

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 nvmet_tcp_free_crypto in nvme (cve-2023-5178).
    Kernel: use-after-free due to race condition occurring in dvb_register_device() (cve-2022-45884).
    Kernel: use-after-free due to race condition occurring in dvb_net.c (cve-2022-45886).
    Kernel: use-after-free due to race condition occurring in dvb_ca_en50221.c (cve-2022-45919).
    Kernel: use-after-free in smb2_is_status_io_timeout() (cve-2023-1192).
Affected Products:
    Red Hat enterprise linux for real time 8 x86_64.
    Red hat enterprise linux for real time for nfv 8 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 - 8.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2023:7548 for updates and patch information.
    Vendor References

    CVEs related to QID 242526

    CVE-2023-5178 | CVE-2022-45884 | CVE-2022-45886 | CVE-2022-45919 | CVE-2023-1192 | CVE-2023-2163 | CVE-2023-3812 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:7548 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:7548
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