QID 241823

Date Published: 2023-07-19

QID 241823: Red Hat Update for kernel (RHSA-2023:4137)

The kernel packages contain the linux kernel, the core of any linux operating system...Security Fix(es):

    kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (cve-2022-42896).
    Kernel: use-after-free vulnerability in the perf_group_detach function of the linux kernel performance events (cve-2023-2235).
    Kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to um (cve-2022-1016).
    Kernel: use-after-free related to leaf anon_vma double reuse (cve-2022-42703).
    Kernel: bluetooth: unauthorized management command execution (cve-2023-2002).
    Kernel: oob access in the linux kernel's xfs subsystem (cve-2023-2124).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 9.0 x86_64.
    Red hat enterprise linux for ibm z systems - extended update support 9.0 s390x.
    Red hat enterprise linux for power, little endian - extended update support 9.0 ppc64le.
    Red hat enterprise linux for arm 64 - extended update support 9.0 aarch64.
    Red hat enterprise linux server for power le - update services for sap solutions 9.0 ppc64le.
    Red hat enterprise linux for x86_64 - update services for sap solutions 9.0 x86_64.
    Red hat codeready linux builder for x86_64 - extended update support 9.0 x86_64.
    Red hat codeready linux builder for power, little endian - extended update support 9.0 ppc64le.
    Red hat codeready linux builder for ibm z systems - extended update support 9.0 s390x.
    Red hat codeready linux builder for arm 64 - extended update support 9.0 aarch64.
    Red hat enterprise linux server for arm 64 - 4 years of updates 9.0 aarch64.
    Red hat enterprise linux server for ibm z systems-4 years of updates 9.0 s390x.
.

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-2023:4137 for updates and patch information.
    Vendor References

    CVEs related to QID 241823

    CVE-2022-1016 | CVE-2022-42703 | CVE-2022-42896 | CVE-2023-2002 | CVE-2023-2124 | CVE-2023-2235 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:4137 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:4137
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