AlmaLinux alert ALSA-2026:27354 (kernel-rt)

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[Announce] [Security Advisory] ALSA-2026:27354: kernel-rt security, bug fix, and enhancement update (Important)
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Mon, 22 Jun 2026 12:01:40 +0000
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<0100019eef352d8a-279f592a-7dc0-460e-aa39-0eb54aed1b51-000000@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: 2026-06-22

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: Linux kernel: Use-after-free in bonding driver leads to denial of service
(CVE-2026-31419)
  * kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation
(CVE-2026-31488)
  * kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)
  * kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279)
  * kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)
  * kernel: ALSA: aloop: Fix peer runtime UAF during format-change stop (CVE-2026-46090)
  * kernel: RDMA/mana: Validate rx_hash_key_len (CVE-2026-46145)
  * kernel: nvmet-tcp: fix race between ICReq handling and queue teardown (CVE-2026-46135)


Bug Fix(es) and Enhancement(s):  

  * AlmaLinux8 RT kernel panic in replenish_dl_entity() caused by stale DEADLINE PI state during
rt_mutex de-boosting (JIRA:AlmaLinux-178520)


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-2026-27354.html

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AlmaLinux Team
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