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RLSA-2026:54443

Security Mirrored from RHSA-2026:54443
Issued at: 2026-08-14
Updated at: 2026-08-16

Advisory content derived from Red Hat RHSA-2026:54443, © Red Hat, Inc., used under CC BY 4.0, with modifications.

Synopsis

Important: kernel security, bug fix, and enhancement update



Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: accel/ivpu: Fix signed integer truncation in IPC receive (CVE-2026-53202)

* kernel: net/sched: act_api: use RCU with deferred freeing for action lifecycle (CVE-2026-53264)

Bug Fix(es) and Enhancement(s):

* [Rocky Linux9] tlbflush - Windows Driver Verifier catches FLTMGR/Ntfs crashes during KVM 42-VM soak test on AMD EPYC Turin [rhel-9.8.z] (JIRA:Rocky Linux-214434)

* Kernels 5.14.0-434+ may lose page table dirty bit (and page data) [rhel-9.8.z] (JIRA:Rocky Linux-220787)

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.



Affected products

Rocky Linux 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2492823 2492851

CVEs

CVE-2026-53202 CVE-2026-53264

Affected packages

Rocky Linux 9 aarch64 - BaseOS

kernel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-0:5.14.0-687.39.1.el9_8.src.rpm kernel-64k-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-debug-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-debug-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-debug-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-debug-modules-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-debug-modules-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-debug-modules-extra-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-modules-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-modules-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-modules-extra-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-abi-stablelists-0:5.14.0-687.39.1.el9_8.noarch.rpm kernel-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debug-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debug-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debug-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debuginfo-common-aarch64-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debug-modules-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debug-modules-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debug-modules-extra-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-modules-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-modules-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-modules-extra-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-tools-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-tools-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-tools-libs-0:5.14.0-687.39.1.el9_8.aarch64.rpm

Rocky Linux 9 ppc64le - BaseOS

kernel-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-0:5.14.0-687.39.1.el9_8.src.rpm kernel-abi-stablelists-0:5.14.0-687.39.1.el9_8.noarch.rpm kernel-core-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debug-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debug-core-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debug-debuginfo-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debuginfo-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debuginfo-common-ppc64le-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debug-modules-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debug-modules-core-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debug-modules-extra-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-modules-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-modules-core-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-modules-extra-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-tools-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-tools-debuginfo-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-tools-libs-0:5.14.0-687.39.1.el9_8.ppc64le.rpm

Rocky Linux 9 s390x - BaseOS

kernel-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-0:5.14.0-687.39.1.el9_8.src.rpm kernel-abi-stablelists-0:5.14.0-687.39.1.el9_8.noarch.rpm kernel-core-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debug-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debug-core-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debug-debuginfo-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debuginfo-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debuginfo-common-s390x-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debug-modules-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debug-modules-core-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debug-modules-extra-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-modules-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-modules-core-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-modules-extra-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-tools-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-tools-debuginfo-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-zfcpdump-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-zfcpdump-core-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-zfcpdump-debuginfo-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-zfcpdump-modules-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-zfcpdump-modules-core-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-zfcpdump-modules-extra-0:5.14.0-687.39.1.el9_8.s390x.rpm

Rocky Linux 9 x86_64 - BaseOS

kernel-0:5.14.0-687.39.1.el9_8.src.rpm kernel-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-abi-stablelists-0:5.14.0-687.39.1.el9_8.noarch.rpm kernel-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debug-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debug-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debug-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debuginfo-common-x86_64-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debug-modules-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debug-modules-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debug-modules-extra-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debug-uki-virt-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-modules-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-modules-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-modules-extra-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-tools-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-tools-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-tools-libs-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-uki-virt-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-uki-virt-addons-0:5.14.0-687.39.1.el9_8.x86_64.rpm

Rocky Linux 9 aarch64 - AppStream

kernel-64k-debug-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-debug-devel-matched-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-64k-devel-matched-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debug-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-debug-devel-matched-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-devel-matched-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-doc-0:5.14.0-687.39.1.el9_8.noarch.rpm perf-0:5.14.0-687.39.1.el9_8.aarch64.rpm perf-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm python3-perf-0:5.14.0-687.39.1.el9_8.aarch64.rpm python3-perf-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm rtla-0:5.14.0-687.39.1.el9_8.aarch64.rpm rv-0:5.14.0-687.39.1.el9_8.aarch64.rpm

Rocky Linux 9 ppc64le - AppStream

kernel-debug-devel-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-debug-devel-matched-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-devel-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-devel-matched-0:5.14.0-687.39.1.el9_8.ppc64le.rpm kernel-doc-0:5.14.0-687.39.1.el9_8.noarch.rpm perf-0:5.14.0-687.39.1.el9_8.ppc64le.rpm perf-debuginfo-0:5.14.0-687.39.1.el9_8.ppc64le.rpm python3-perf-0:5.14.0-687.39.1.el9_8.ppc64le.rpm python3-perf-debuginfo-0:5.14.0-687.39.1.el9_8.ppc64le.rpm rtla-0:5.14.0-687.39.1.el9_8.ppc64le.rpm rv-0:5.14.0-687.39.1.el9_8.ppc64le.rpm

Rocky Linux 9 s390x - AppStream

kernel-debug-devel-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-debug-devel-matched-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-devel-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-devel-matched-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-doc-0:5.14.0-687.39.1.el9_8.noarch.rpm kernel-zfcpdump-devel-0:5.14.0-687.39.1.el9_8.s390x.rpm kernel-zfcpdump-devel-matched-0:5.14.0-687.39.1.el9_8.s390x.rpm perf-0:5.14.0-687.39.1.el9_8.s390x.rpm perf-debuginfo-0:5.14.0-687.39.1.el9_8.s390x.rpm python3-perf-0:5.14.0-687.39.1.el9_8.s390x.rpm python3-perf-debuginfo-0:5.14.0-687.39.1.el9_8.s390x.rpm rtla-0:5.14.0-687.39.1.el9_8.s390x.rpm rv-0:5.14.0-687.39.1.el9_8.s390x.rpm

Rocky Linux 9 x86_64 - AppStream

kernel-debug-devel-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-debug-devel-matched-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-devel-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-devel-matched-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-doc-0:5.14.0-687.39.1.el9_8.noarch.rpm perf-0:5.14.0-687.39.1.el9_8.x86_64.rpm perf-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm python3-perf-0:5.14.0-687.39.1.el9_8.x86_64.rpm python3-perf-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm rtla-0:5.14.0-687.39.1.el9_8.x86_64.rpm rv-0:5.14.0-687.39.1.el9_8.x86_64.rpm

Rocky Linux 9 aarch64 - RT

kernel-rt-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-debug-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-debug-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-debug-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-debug-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-debug-modules-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-debug-modules-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-debug-modules-extra-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-modules-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-modules-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-64k-modules-extra-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-debug-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-debug-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-debug-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-debug-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-debug-modules-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-debug-modules-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-debug-modules-extra-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-modules-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-modules-core-0:5.14.0-687.39.1.el9_8.aarch64.rpm kernel-rt-modules-extra-0:5.14.0-687.39.1.el9_8.aarch64.rpm

Rocky Linux 9 x86_64 - NFV

kernel-rt-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-devel-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-modules-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-modules-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-modules-extra-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-devel-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-modules-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-modules-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-modules-extra-0:5.14.0-687.39.1.el9_8.x86_64.rpm

Rocky Linux 9 x86_64 - RT

kernel-rt-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-devel-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-modules-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-modules-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-debug-modules-extra-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-devel-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-modules-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-modules-core-0:5.14.0-687.39.1.el9_8.x86_64.rpm kernel-rt-modules-extra-0:5.14.0-687.39.1.el9_8.x86_64.rpm

Rocky Linux 9 aarch64 - CRB

kernel-tools-libs-devel-0:5.14.0-687.39.1.el9_8.aarch64.rpm libperf-0:5.14.0-687.39.1.el9_8.aarch64.rpm libperf-debuginfo-0:5.14.0-687.39.1.el9_8.aarch64.rpm

Rocky Linux 9 ppc64le - CRB

kernel-tools-libs-devel-0:5.14.0-687.39.1.el9_8.ppc64le.rpm libperf-0:5.14.0-687.39.1.el9_8.ppc64le.rpm libperf-debuginfo-0:5.14.0-687.39.1.el9_8.ppc64le.rpm

Rocky Linux 9 x86_64 - CRB

kernel-tools-libs-devel-0:5.14.0-687.39.1.el9_8.x86_64.rpm libperf-0:5.14.0-687.39.1.el9_8.x86_64.rpm libperf-debuginfo-0:5.14.0-687.39.1.el9_8.x86_64.rpm

Rocky Linux 9 s390x - CRB

libperf-0:5.14.0-687.39.1.el9_8.s390x.rpm libperf-debuginfo-0:5.14.0-687.39.1.el9_8.s390x.rpm