QID 242482

Date Published: 2023-11-22

QID 242482: Red Hat Update for kernel-rt (RHSA-2023:7379)

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: cls_u32 component reference counter leak if tcf_change_indev() fails (cve-2023-3609).
    Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (cve-2023-3812).
    Kernel: net/sched: use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (cve-2023-4128, cve-2023-4206, cve-2023-4207, cve-2023-4208).
    Kernel: use after free in nvmet_tcp_free_crypto in nvme (cve-2023-5178).
    Kernel: netfilter: potential slab-out-of-bound access due to integer underflow (cve-2023-42753).
    Kernel: amd: cross-thread return address predictions (cve-2022-27672).
    Hw: intel: gather data sampling (gds) side channel vulnerability (cve-2022-40982).
<H2></H2>
    Red Hat enterprise linux for real time for x86_64 - 4 years of updates 9.2 x86_64.
    Red hat enterprise linux for real time for nfv for x86_64 - 4 years of updates 9.2 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-2023:7379 for updates and patch information.
    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:7379 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:7379