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OpenAdvisories
High ALSA-2026:54443 2 CVEs

Important: kernel security, bug fix, and enhancement update

Published Aug 12, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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):

* [AlmaLinux9] tlbflush - Windows Driver Verifier catches FLTMGR/Ntfs crashes during KVM 42-VM soak test on AMD EPYC Turin [almalinux-9.8.z] (JIRA:AlmaLinux-214434)
* Kernels 5.14.0-434+ may lose page table dirty bit (and page data) [almalinux-9.8.z] (JIRA:AlmaLinux-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.

Fixed packages 74

ReleasePackageFixed in
AlmaLinux · 9 kernel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-debug 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-debug-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-debug-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-debug-devel-matched 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-devel-matched 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-64k-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-abi-stablelists 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-cross-headers 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-debug 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-debug-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-debug-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-debug-devel-matched 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-debug-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-debug-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-debug-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-debug-uki-virt 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-devel-matched 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-doc 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-headers 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-debug 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-debug-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-debug-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-rt-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-tools 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-tools-libs 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-tools-libs-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-uki-virt 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-uki-virt-addons 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-zfcpdump 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-devel 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-devel-matched 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules-core 5.14.0-687.39.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules-extra 5.14.0-687.39.1.el9_8
AlmaLinux · 9 libperf 5.14.0-687.39.1.el9_8
AlmaLinux · 9 perf 5.14.0-687.39.1.el9_8
AlmaLinux · 9 python3-perf 5.14.0-687.39.1.el9_8
AlmaLinux · 9 rtla 5.14.0-687.39.1.el9_8
AlmaLinux · 9 rv 5.14.0-687.39.1.el9_8

Vulnerabilities 2

  • High 7.8
    CVE-2026-53202

    accel/ivpu: Fix signed integer truncation in IPC receive

    In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fix signed integer truncation in IPC receive Fix potential buffer overflow where firmware-supplied data_size is cast to signed int before being used in min_t(). Large unsigned val…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-53264 Public exploit

    net/sched: act_api: use RCU with deferred freeing for action lifecycle

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illu…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-53202
  • report
    https://access.redhat.com/security/cve/CVE-2026-53264
  • report
    https://bugzilla.redhat.com/2492823
  • report
    https://bugzilla.redhat.com/2492851
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-54443.html