RHSA-2026:45114HighCVSS 7.3

Red Hat Security Advisory: kernel security update

Published
July 24, 2026
Last Modified
September 8, 2026

🔗 CVE IDs covered (7)

CVE-2026-53059 →CVE-2026-64561 →CVE-2025-40237 →CVE-2026-23110 →CVE-2026-31692 →CVE-2026-46099 →CVE-2026-52973 →

📋 Description

CVE-2025-40237 — kernel: fs/notify: call exportfs_encode_fid with s_umount CVE-2026-23110 — kernel: scsi: core: Wake up the error handler when final completions race against each other CVE-2026-31692 — kernel: rtnetlink: add missing netlink_ns_capable() check for peer netns CVE-2026-46099 — kernel: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels CVE-2026-52973 — kernel: futex: Drop CLONE_THREAD requirement for private default hash alloc CVE-2026-53059 — kernel: dm log: fix out-of-bounds write due to region_count overflow CVE-2026-64561 — kernel: KVM: x86: Check for invalid/obsolete root after making MMU pages available

🎯 Affected products200

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux BaseOS (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • Red Hat Enterprise Linux Real Time (v. 10)
  • Red Hat Enterprise Linux Real Time for NFV (v. 10)
  • kernel-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-0:6.12.0-211.39.1.el10_2.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-0:6.12.0-211.39.1.el10_2.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-0:6.12.0-211.39.1.el10_2.src as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-0:6.12.0-211.39.1.el10_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-core-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-debug-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-debug-core-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-debug-debuginfo-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • kernel-64k-debug-debuginfo-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-debug-debuginfo-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • kernel-64k-debug-debuginfo-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 10)
  • kernel-64k-debug-devel-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • kernel-64k-debug-devel-matched-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • kernel-64k-debug-modules-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-debug-modules-core-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-debug-modules-extra-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-debuginfo-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • kernel-64k-debuginfo-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • kernel-64k-debuginfo-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • kernel-64k-debuginfo-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux Real Time (v. 10)
  • kernel-64k-devel-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • kernel-64k-devel-matched-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • kernel-64k-modules-0:6.12.0-211.39.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • +170 more not shown

✅ 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: 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 (9)