AlmaLinux alert ALSA-2026:47040 (kernel)

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[Announce] [Security Advisory] ALSA-2026:47040: kernel security, bug fix, and enhancement update (Important)
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Sat, 01 Aug 2026 17:01:42 +0000
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<0100019fbe463f09-1b193dcc-cad3-47e7-9510-9eb171c83f41-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2026-08-01

Summary:

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

Security Fix(es):  

  * kernel: xfrm: Duplicate SPI Handling (CVE-2025-39797)
  * kernel: lib/buildid: use __kernel_read() for sleepable context (CVE-2026-23002)
  * kernel: futex: Drop CLONE_THREAD requirement for private default hash alloc (CVE-2026-52973)
  * kernel: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption (CVE-2026-53281)
  * kernel: blk-mq: pop cached request if it is usable (CVE-2026-64017)


Bug Fix(es) and Enhancement(s):  

  * general protection fault during exportfs / nfsd4_revoke_states [almalinux-9.8.z]
(JIRA:AlmaLinux-188257)
  * Enable Pretimeout Watchdog Panic Functionality on x86 [almalinux-9.8.z]
(JIRA:AlmaLinux-193729)


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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/9/ALSA-2026-47040.html

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AlmaLinux Team
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