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OpenAdvisories
High ALSA-2026:36957 3 CVEs

Important: kernel security update

Published Jul 9, 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: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (CVE-2025-71066)
* kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113)
* kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359)

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 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-debug 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-debug-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-debug-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-debug-devel-matched 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-devel-matched 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-64k-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-abi-stablelists 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-cross-headers 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-debug 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-debug-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-debug-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-debug-devel-matched 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-debug-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-debug-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-debug-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-debug-uki-virt 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-devel-matched 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-doc 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-headers 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-debug 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-debug-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-debug-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-rt-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-tools 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-tools-libs 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-tools-libs-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-uki-virt 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-uki-virt-addons 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-zfcpdump 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-devel 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-devel-matched 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules-core 5.14.0-687.24.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules-extra 5.14.0-687.24.1.el9_8
AlmaLinux · 9 libperf 5.14.0-687.24.1.el9_8
AlmaLinux · 9 perf 5.14.0-687.24.1.el9_8
AlmaLinux · 9 python3-perf 5.14.0-687.24.1.el9_8
AlmaLinux · 9 rtla 5.14.0-687.24.1.el9_8
AlmaLinux · 9 rv 5.14.0-687.24.1.el9_8

Vulnerabilities 3

  • High 8.8
    CVE-2026-46113

    KVM: x86: Fix shadow paging use-after-free due to unexpected GFN

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN The shadow MMU computes GFNs for direct shadow pages using sp->gfn plus the SPTE index. This assumption breaks for shadow pagi…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2026-53359 Public exploit

    KVM: x86: Fix shadow paging use-after-free due to unexpected role

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GFN") fixed a shadow paging mismatch betw…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2025-71066

    net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change

    In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change zdi-disclosures@trendmicro.com says: The vulnerability is a race condition between `ets_qdisc_dequeue`…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-71066
  • report
    https://access.redhat.com/security/cve/CVE-2026-46113
  • report
    https://access.redhat.com/security/cve/CVE-2026-53359
  • report
    https://bugzilla.redhat.com/2429036
  • report
    https://bugzilla.redhat.com/2482587
  • report
    https://bugzilla.redhat.com/2497033
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-36957.html