RHSA-2023:7734HighCVSS 7.8

Red Hat Security Advisory: kpatch-patch security update

Published
December 12, 2023
Last Modified
October 26, 2026

🔗 CVE IDs covered (2)

CVE-2023-5345 →CVE-2023-45871 →

📋 Description

CVE-2023-5345 — kernel: use-after-free vulnerability in the smb client component CVE-2023-45871 — kernel: IGB driver inadequate buffer size for frames larger than MTU

🎯 Affected products8

  • Red Hat Enterprise Linux BaseOS (v. 9)
  • kpatch-patch-5_14_0-362_8_1-0:1-1.el9_3.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • kpatch-patch-5_14_0-362_8_1-0:1-1.el9_3.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • kpatch-patch-5_14_0-362_8_1-0:1-1.el9_3.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • kpatch-patch-5_14_0-362_8_1-debuginfo-0:1-1.el9_3.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • kpatch-patch-5_14_0-362_8_1-debuginfo-0:1-1.el9_3.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • kpatch-patch-5_14_0-362_8_1-debugsource-0:1-1.el9_3.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • kpatch-patch-5_14_0-362_8_1-debugsource-0:1-1.el9_3.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: This flaw can be mitigated by preventing the affected `cifs` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (5)