AlmaLinux alert ALSA-2026:39575 (cifs-utils)

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[Announce] [Security Advisory] ALSA-2026:39575: cifs-utils security, bug fix, and enhancement update (Important)
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Wed, 15 Jul 2026 12:08:09 +0000
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<0100019f65ad6244-bd2edecb-3ffb-42e8-8244-ede67fde31ad-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: 2026-07-15

Summary:

The SMB/CIFS protocol is a standard file sharing protocol widely deployed on Microsoft Windows
machines. The cifs-utils packages contain tools for mounting shares on Linux using the SMB/CIFS
protocol. The tools in this package work in conjunction with support in the kernel to allow one to
mount a SMB/CIFS share onto a client and use it as if it were a standard Linux file system.  

Security Fix(es):  

  * cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall
(CVE-2026-12505)


Bug Fix(es) and Enhancement(s):  

  * add sssd method for mapping SID to UID/GID in man page of mount.cifs [almalinux-8.10.z]
(JIRA:AlmaLinux-41059)
  * Update the mount.cifs man page to match the 3*echo_interval reconnection timeout
(JIRA:AlmaLinux-80397)
  * cifs-utils: regression with kerberos mount [almalinux-8.10.z] (JIRA:AlmaLinux-192933)


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-2026-39575.html

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AlmaLinux Team
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