AlmaLinux alert ALSA-2026:1148 (kernel-rt)

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[Announce]  [Security Advisory] ALSA-2026:1148: kernel-rt security update (Important)
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Mon, 26 Jan 2026 15:01:37 +0000
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<0100019bfad31a9b-09d78935-ed97-4cc5-a031-4e8b3c6aaca9-000000@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: 2026-01-26

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: Bluetooth: hci_event: call disconnect callback before deleting conn (CVE-2023-53673)
  * kernel: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (CVE-2025-40154)
  * kernel: Linux kernel: vsock vulnerability may lead to memory corruption (CVE-2025-40248)
  * kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE
(CVE-2025-40277)


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-2026-1148.html

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AlmaLinux Team
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