QID 241567

Date Published: 2023-06-01

QID 241567: Red Hat Update for kernel security (RHSA-2023:3388)

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

    kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (cve-2022-3564).
    Kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (cve-2022-4378).
    Kernel: unmap_mapping_range() race with munmap() on vm_pfnmap mappings leads to stale tlb entry (cve-2022-39188).
    Kernel: use-after-free related to leaf anon_vma double reuse (cve-2022-42703).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 8.6 x86_64.
    Red hat enterprise linux server - aus 8.6 x86_64.
    Red hat enterprise linux for ibm z systems - extended update support 8.6 s390x.
    Red hat enterprise linux for power, little endian - extended update support 8.6 ppc64le.
    Red hat virtualization host 4 for rhel 8 x86_64.
    Red hat enterprise linux server - tus 8.6 x86_64.
    Red hat enterprise linux for arm 64 - extended update support 8.6 aarch64.
    Red hat enterprise linux server for power le - update services for sap solutions 8.6 ppc64le.
    Red hat enterprise linux for x86_64 - update services for sap solutions 8.6 x86_64.
    Red hat codeready linux builder for x86_64 - extended update support 8.6 x86_64.
    Red hat codeready linux builder for power, little endian - extended update support 8.6 ppc64le.
    Red hat codeready linux builder for arm 64 - extended update support 8.6 aarch64.
.

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 High - 7.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2023:3388 for updates and patch information.
    Vendor References

    CVEs related to QID 241567

    CVE-2022-3564 | CVE-2022-4378 | CVE-2022-39188 | CVE-2022-42703 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:3388 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:3388
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