AlmaLinux alert ALSA-2025:13590 (kernel-rt)

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[Announce]  [Security Advisory] ALSA-2025:13590: kernel-rt security update (Moderate)
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Mon, 11 Aug 2025 17:03:34 +0000
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<010001989a1661ad-6ad21309-6f19-457f-98cc-511530d98dda-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: Moderate
Release date: 2025-08-11

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: padata: fix UAF in padata_reorder (CVE-2025-21727)
  * kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)
  * kernel: can: peak_usb: fix use after free bugs (CVE-2021-47670)
  * kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (CVE-2025-38085)
  * kernel: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds
(CVE-2025-38159)


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-2025-13590.html

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AlmaLinux Team
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