AlmaLinux alert ALSA-2026:27812 (kernel-rt)

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[Announce]  [Security Advisory] ALSA-2026:27812: kernel-rt security update (Important)
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Tue, 23 Jun 2026 16:02:03 +0000
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<0100019ef5379d02-32e3aef8-7eb6-438b-800e-d06076db1033-000000@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: 2026-06-23

Summary:

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems
with extremely high determinism requirements.  

Security Fix(es):  

  * kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054)


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-2026-27812.html

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AlmaLinux Team
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