QID 241290

Date Published: 2023-03-27

QID 241290: Red Hat Update for kpatch-patch (RHSA-2023:1435)

This is a kernel live patch module which is automatically loaded by the rpm post-install script to modify the code of a running kernel...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: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote denial of service attack (cve-2022-4379).
    Kernel: netfilter integer overflow vulnerability in nft_payload_copy_vlan (cve-2023-0179).
    Alsa: pcm: move rwsem lock inside snd_ctl_elem_read to prevent uaf (cve-2023-0266).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 9.0 x86_64.
    Red hat enterprise linux for power, little endian - extended update support 9.0 ppc64le.
    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.
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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 High - 7.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2023:1435 for updates and patch information.
    Vendor References

    CVEs related to QID 241290

    CVE-2022-3564 | CVE-2022-4378 | CVE-2022-4379 | CVE-2023-0179 | CVE-2023-0266 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:1435 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:1435
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