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High ALSA-2026:45192 6 CVEs

Important: kernel security, bug fix, and enhancement update

Published Jul 24, 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: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026)
* kernel: dm log: fix out-of-bounds write due to region_count overflow (CVE-2026-53059)
* kernel: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() (CVE-2026-52976)
* kernel: drm/xe/dma-buf: fix UAF with retry loop (CVE-2026-52950)
* kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)

Bug Fix(es) and Enhancement(s):

* scsi device removal may hang from race with error recovery [almalinux-9.8.z] (JIRA:AlmaLinux-187412)
* [AlmaLinux9] kvm fixes for 2026-07-21 [almalinux-9.8.z] (JIRA:AlmaLinux-213468)

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 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-debug 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-debug-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-debug-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-debug-devel-matched 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-debug-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-devel-matched 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-64k-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-abi-stablelists 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-cross-headers 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-debug 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-debug-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-debug-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-debug-devel-matched 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-debug-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-debug-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-debug-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-debug-uki-virt 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-devel-matched 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-doc 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-headers 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-debug-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-64k-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-debug 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-debug-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-debug-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-debug-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-rt-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-tools 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-tools-libs 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-tools-libs-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-uki-virt 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-uki-virt-addons 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-zfcpdump 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-devel 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-devel-matched 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules-core 5.14.0-687.30.1.el9_8
AlmaLinux · 9 kernel-zfcpdump-modules-extra 5.14.0-687.30.1.el9_8
AlmaLinux · 9 libperf 5.14.0-687.30.1.el9_8
AlmaLinux · 9 perf 5.14.0-687.30.1.el9_8
AlmaLinux · 9 python3-perf 5.14.0-687.30.1.el9_8
AlmaLinux · 9 rtla 5.14.0-687.30.1.el9_8
AlmaLinux · 9 rv 5.14.0-687.30.1.el9_8

Vulnerabilities 6

  • Critical 9.8
    CVE-2026-53006

    ipv6: fix possible UAF in icmpv6_rcv()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in icmpv6_rcv() Caching saddr and daddr before pskb_pull() is problematic since skb->head can change. Remove these temporary variables: - We only access &ipv6_hdr(skb)-…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 8.8
    CVE-2026-64561 Public exploit

    KVM: x86: Check for invalid/obsolete root *after* making MMU pages available

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available Check for a "stale" page fault, i.e. for an invalid and/or obsolete root, after making MMU pages available for the…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.9
    CVE-2025-40026

    KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-52950

    drm/xe/dma-buf: fix UAF with retry loop

    In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: fix UAF with retry loop Retry doesn't work here, since bo will be freed on error, leading to UAF. However, now that we do the alloc & init before the attach, we can now combin…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-52976

    drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl()

    In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() Two error handling issues exist in xe_exec_queue_create_ioctl(): 1. When xe_hw_engine_group_add_exec_queue() fails, the error path ju…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Medium 6.3
    CVE-2026-53059

    dm log: fix out-of-bounds write due to region_count overflow

    In the Linux kernel, the following vulnerability has been resolved: dm log: fix out-of-bounds write due to region_count overflow The local variable region_count in create_log_context() is declared as unsigned int (32-bit), but dm_sector_div_up() returns secto…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-40026
  • report
    https://access.redhat.com/security/cve/CVE-2026-52950
  • report
    https://access.redhat.com/security/cve/CVE-2026-52976
  • report
    https://access.redhat.com/security/cve/CVE-2026-53006
  • report
    https://access.redhat.com/security/cve/CVE-2026-53059
  • report
    https://bugzilla.redhat.com/2406712
  • report
    https://bugzilla.redhat.com/2492277
  • report
    https://bugzilla.redhat.com/2492284
  • report
    https://bugzilla.redhat.com/2492318
  • report
    https://bugzilla.redhat.com/2492363
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-45192.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2026-64561.html