AlmaLinux alert ALSA-2026:42550 (kernel-rt)

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[Announce] [Security Advisory] ALSA-2026:42550: kernel-rt security, bug fix, and enhancement update (Important)
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Tue, 21 Jul 2026 14:05:06 +0000
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<0100019f84fe9abb-1f2d3a49-5c6c-4e50-918d-8d065fb7fa08-000000@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: 2026-07-21

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: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss()
(CVE-2026-46117)
  * kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)


Bug Fix(es) and Enhancement(s):  

  * [almalinux-8] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected - at:
vmd_pci_write+0x85/0xe0 - deadlock (JIRA:AlmaLinux-174916)


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-2026-42550.html

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AlmaLinux Team
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