RHSA-2026:56574: Moderate: kernel security, bug fix, and enhancement update
Moderate: kernel security, bug fix, and enhancement update
Other sources
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: scsi: core: Wake up the error handler when final completions race against each other (CVE-2026-23110) kernel: net: atm: fix crash due to unvalidated vcc pointer in sigdsend() (CVE-2026-31411) kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016) kernel: dm log: fix out-of-bounds write due to regioncount overflow (CVE-2026-53059) Bug Fix(es) and Enhancement(s): Kernels 5.14.0-434+ may lose page table dirty bit (and page data) [rhel-9.6.z] (JIRA:RHEL-220786) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-docto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-rt-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-rt-debugto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-rt-debug-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-rt-debug-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-rt-debug-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-rt-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-rt-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/libperf-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-debuginfo-common-s390xto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-debuginfo-common-ppc64leto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-core-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-core-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-debuginfo-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-devel-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-devel-matched-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-core-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-extra-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debuginfo-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-devel-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-devel-matched-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-core-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-extra-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debug-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debug-devel-matchedto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debug-modulesto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-debuginfo-common-aarch64to a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-devel-matchedto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-core-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-core-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-debuginfo-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-devel-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-core-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debug-modules-extra-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-debuginfo-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-devel-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-core-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-modules-extra-5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-debugto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-debug-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-debug-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-debug-develto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-debug-modulesto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-debug-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-debug-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-develto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-modulesto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-rt-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-tools-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/libperf-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/perf-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/python3-perf-debuginfoto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6 - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 5.14.0-570.135.1.el9_6.aa - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-53016 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-53059 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-31411 - Upgrade
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kernelto a version that resolves this vulnerability.Patch CVE-2026-23110 - Operational
Reboot the system after applying the kernel update so the changes in the advisory take effect.
Event History
Frequently Asked Questions
Which Red Hat Enterprise Linux deployment streams are covered by this update?
The listed streams include x86_64 Update Services for SAP Solutions, IBM z Systems 4-year updates, ARM 64 4-year updates, RHEL Server AUS, x86_64 Extended Life Cycle, ARM 64 Extended Update Support, IBM z Systems Extended Update Support, and Power little-endian Extended Life Cycle.
Does this advisory contain changes beyond security fixes?
Yes. It is described as a kernel update containing security fixes, bug fixes, and enhancements.