RHSA-2026:0643HighCVSS 7.6

Red Hat Security Advisory: kernel security update

Published
January 15, 2026
Last Modified
August 13, 2026

🔗 CVE IDs covered (6)

CVE-2025-39971 →CVE-2025-39973 →CVE-2025-68285 →CVE-2023-53322 →CVE-2023-53675 →CVE-2025-38051 →

📋 Description

CVE-2023-53322 — kernel: scsi: qla2xxx: Wait for io return on terminate rport CVE-2023-53675 — kernel: scsi: ses: Fix possible desc_ptr out-of-bounds accesses CVE-2025-38051 — kernel: smb: client: Fix use-after-free in cifs_fill_dirent CVE-2025-39971 — kernel: i40e: fix idx validation in config queues msg CVE-2025-39973 — kernel: i40e: add validation for ring_len param CVE-2025-68285 — kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()

🎯 Affected products26

  • Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • bpftool-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • bpftool-debuginfo-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-0:4.18.0-193.181.1.el8_2.src as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-abi-whitelists-0:4.18.0-193.181.1.el8_2.noarch as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-core-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-core-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-debuginfo-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-devel-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-modules-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debug-modules-extra-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debuginfo-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-debuginfo-common-x86_64-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-devel-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-doc-0:4.18.0-193.181.1.el8_2.noarch as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-modules-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-modules-extra-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-tools-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-tools-debuginfo-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • kernel-tools-libs-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • perf-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • perf-debuginfo-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • python3-perf-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
  • python3-perf-debuginfo-0:4.18.0-193.181.1.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v. 8.2)

✅ 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 The system must be rebooted for this update to take effect. 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. Workaround: To mitigate this issue, prevent module ses from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. 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 (8)