AlmaLinux alert ALSA-2026:27288 (kernel)

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[Announce] [Security Advisory] ALSA-2026:27288: kernel security, bug fix, and enhancement update (Important)
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Fri, 26 Jun 2026 19:02:03 +0000
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<0100019f054f7d20-a6c487b6-a16e-4982-a9f2-aaf44b027da6-000000@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: 10
Type: Security
Severity: Important
Release date: 2026-06-26

Summary:

The kernel packages contain the Linux kernel, the core of any Linux operating system.  

Security Fix(es):  

  * kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474)
  * kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669)
  * kernel: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641)
  * kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)
  * kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)
  * kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)
  * kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync
(CVE-2026-31772)
  * kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260)
  * kernel: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)
  * kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)
  * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)
  * kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)
  * kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)
  * kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)
  * kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)


Bug Fix(es) and Enhancement(s):  

  * AlmaLinux10.0 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [almalinux-10.2.z]
(JIRA:AlmaLinux-166047)
  * AlmaLinux9.5 crash due to lpfc NULL ndlp->vport [almalinux-10.2.z] (JIRA:AlmaLinux-171774)
  * objtool static_call check blocks build of out-of-tree livepatch modules on AlmaLinux 10.2 GA
kernels ? missing upstream revert f495054bd12e (JIRA:AlmaLinux-178495)
  * ibmveth Adapter Freeze with Small MSS [almalinux-10.2.z] (JIRA:AlmaLinux-179723)
  * rbd: eliminate a race in lock_dwork draining on unmap [almalinux-10.2.z]
(JIRA:AlmaLinux-183127)
  * AlmaLinux10.0 - s390/mm: Add missing secure storage access fixups [almalinux-10.2.z]
(JIRA:AlmaLinux-183319)
  * [AlmaLinux10.2.z] Enable Pretimeout Watchdog Panic Functionality on x86
(JIRA:AlmaLinux-182299)


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/10/ALSA-2026-27288.html

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Kind regards,
AlmaLinux Team
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