Detections
Analytics

AlmaLinux 8 : cifs-utils (ALSA-2026:39575)

high Nessus Plugin ID 327049

Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:39575 advisory.

 * 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)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected cifs-utils, cifs-utils-devel and / or pam_cifscreds packages.

See Also

https://access.redhat.com/errata/RHSA-2026:39575

https://errata.almalinux.org/8/ALSA-2026-39575.html

Plugin Details

Severity: High

ID: 327049

File Name: alma_linux_ALSA-2026-39575.nasl

Version: 1.1

Type: Local

Published: 7/15/2026

Updated: 7/15/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.04

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-12505

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:alma:linux:cifs-utils-devel, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::sap, p-cpe:/a:alma:linux:pam_cifscreds, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:cifs-utils

Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 7/15/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2026-12505

CWE: 250

RHSA: 2026:39575