AlmaLinux alert ALSA-2026:50978 (kernel)

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[Announce] [Security Advisory] ALSA-2026:50978: kernel security, bug fix, and enhancement update (Important)
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Thu, 06 Aug 2026 16:04:00 +0000
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<0100019fd7d13762-bb32ed88-f016-438a-8b5a-46c2c65c6965-000000@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: 8
Type: Security
Severity: Important
Release date: 2026-08-06

Summary:

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

Security Fix(es):  

  * kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation
(CVE-2025-54518)


Bug Fix(es) and Enhancement(s):  

  * Kernel crash in bpf_for_each_array_elem() due to missing backport of upstream commit
4b6313cf99b0 (JIRA:AlmaLinux-191844)
  * gfs2: xfstests generic/363 failure [almalinux-8.10.z] (JIRA:AlmaLinux-214099)
  * AlmaLinux8: HYPERV hv_storvsc driver can we add additional code to allow PERSISTENT_RESERVE_IN
[AlmaLinux 8.10Z] (JIRA:AlmaLinux-188270)


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/8/ALSA-2026-50978.html

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AlmaLinux Team
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