Skip to content
OpenAdvisories
High ALSA-2026:36956 4 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: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CVE-2026-46227)
* 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 75

ReleasePackageFixed in
AlmaLinux · 10 kernel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-debug 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-debug-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-debug-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-debug-devel-matched 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-debug-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-devel-matched 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-64k-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-abi-stablelists 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-cross-headers 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-debug 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-debug-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-debug-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-debug-devel-matched 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-debug-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-debug-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-debug-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-debug-uki-virt 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-devel-matched 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-doc 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-headers 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-modules-extra-matched 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-debug-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-64k-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-debug 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-debug-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-debug-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-debug-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-rt-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-tools 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-tools-libs 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-tools-libs-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-uki-virt 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-uki-virt-addons 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-zfcpdump 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-devel 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-devel-matched 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules-core 6.12.0-211.32.1.el10_2
AlmaLinux · 10 kernel-zfcpdump-modules-extra 6.12.0-211.32.1.el10_2
AlmaLinux · 10 libperf 6.12.0-211.32.1.el10_2
AlmaLinux · 10 perf 6.12.0-211.32.1.el10_2
AlmaLinux · 10 python3-perf 6.12.0-211.32.1.el10_2
AlmaLinux · 10 rtla 6.12.0-211.32.1.el10_2
AlmaLinux · 10 rv 6.12.0-211.32.1.el10_2

Vulnerabilities 4

  • 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
  • High 7.8
    CVE-2026-46227

    sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL

    In the Linux kernel, the following vulnerability has been resolved: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL The SCTP_SENDALL path in sctp_sendmsg() iterates ep->asocs with list_for_each_entry_safe(), which caches the next ent…

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

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-2026-46227
  • report
    https://access.redhat.com/security/cve/CVE-2026-53359
  • report
    https://bugzilla.redhat.com/2429036
  • report
    https://bugzilla.redhat.com/2482564
  • report
    https://bugzilla.redhat.com/2482587
  • report
    https://bugzilla.redhat.com/2497033
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-36956.html