Monitor vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
7.3

Red Hat Linux Kernel Security Update: System Crashes Possible

RHSA-2026:4111
Summary

A security update is available for the Linux kernel in Red Hat Enterprise Linux. This update fixes a vulnerability that could allow an attacker to crash the system. Users are advised to apply the update to ensure system stability and security.

What to do
  • Update redhat kernel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debug to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debug-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debug-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debug-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debug-devel-matched to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debug-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debug-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debug-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-devel-matched to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-64k-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-abi-stablelists to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug-devel-matched to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debug-uki-virt to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debuginfo-common-aarch64 to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debuginfo-common-ppc64le to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debuginfo-common-s390x to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-debuginfo-common-x86_64 to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-devel-matched to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-doc to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-debug to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-debug-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-debug-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-debug-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-debug-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-debug-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-debug-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-64k-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debug to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debug-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debug-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debug-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debug-kvm to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debug-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debug-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debug-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-kvm to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-rt-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-tools to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-tools-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-tools-libs to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-tools-libs-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-uki-virt to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-uki-virt-addons to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-zfcpdump to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-zfcpdump-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-zfcpdump-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-zfcpdump-devel to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-zfcpdump-devel-matched to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-zfcpdump-modules to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-zfcpdump-modules-core to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat kernel-zfcpdump-modules-extra to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat libperf to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat libperf-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat perf to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat perf-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat python3-perf to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat python3-perf-debuginfo to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat rtla to version 0:6.12.0-55.63.1.el10_0.
  • Update redhat rv to version 0:6.12.0-55.63.1.el10_0.
Affected software
VendorProductAffected versionsFix available
redhat kernel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debug <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debug-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debug-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debug-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debug-devel-matched <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debug-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debug-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debug-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-devel-matched <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-64k-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-abi-stablelists <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug-devel-matched <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debug-uki-virt <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debuginfo-common-aarch64 <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debuginfo-common-ppc64le <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debuginfo-common-s390x <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-debuginfo-common-x86_64 <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-devel-matched <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-doc <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-debug <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-debug-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-debug-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-debug-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-debug-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-debug-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-debug-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-64k-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debug <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debug-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debug-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debug-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debug-kvm <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debug-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debug-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debug-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-kvm <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-rt-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-tools <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-tools-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-tools-libs <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-tools-libs-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-uki-virt <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-uki-virt-addons <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-zfcpdump <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-zfcpdump-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-zfcpdump-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-zfcpdump-devel <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-zfcpdump-devel-matched <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-zfcpdump-modules <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-zfcpdump-modules-core <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat kernel-zfcpdump-modules-extra <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat libperf <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat libperf-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat perf <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat perf-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat python3-perf <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat python3-perf-debuginfo <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat rtla <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
redhat rv <= 0:6.12.0-55.63.1.el10_0 0:6.12.0-55.63.1.el10_0
Original title
Red Hat Security Advisory: kernel security update
osv CVSS3.1 7.3
Published: 10 Mar 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026