RHSA-2026:36186HighCVSS 7.3

Red Hat Security Advisory: kernel security update

Published
July 7, 2026
Last Modified
August 4, 2026

🔗 CVE IDs covered (2)

CVE-2026-43074 →CVE-2026-46242 →

📋 Description

CVE-2026-43074 — kernel: eventpoll: defer struct eventpoll free to RCU grace period CVE-2026-46242 — kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF

🎯 Affected products48

  • NVIDIA for RHEL 10
  • kernel-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-0:6.12.0-231.15.el10nv.src as a component of NVIDIA for RHEL 10
  • kernel-64k-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-core-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-debug-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-debug-core-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-debug-debuginfo-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-debug-modules-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-debug-modules-core-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-debug-modules-extra-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-debuginfo-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-modules-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-modules-core-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-64k-modules-extra-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-abi-stablelists-0:6.12.0-231.15.el10nv.noarch as a component of NVIDIA for RHEL 10
  • kernel-core-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debug-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debug-core-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debug-debuginfo-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debug-devel-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debug-devel-matched-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debug-modules-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debug-modules-core-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debug-modules-extra-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debuginfo-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-debuginfo-common-aarch64-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-devel-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-devel-matched-0:6.12.0-231.15.el10nv.aarch64 as a component of NVIDIA for RHEL 10
  • kernel-doc-0:6.12.0-231.15.el10nv.noarch as a component of NVIDIA for RHEL 10
  • +18 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 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.

🔗 References (8)