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SUSE cifs-utils Important Local Access Escalation Vulnerability 2026-2700-1

suse
Calendar Grey June 30, 2026
Dist Suse Esm H88
A significant update for cifs-utils resolves a critical local access issue via privilege escalation in SUSE distributions. Act now!
An update that solves one vulnerability can now be installed.

Summary

## This update for cifs-utils fixes the following issue * CVE-2026-12505: cifs.upcall local privilege escalation via request_key- controlled namespace switch and NSS loading (bsc#1267389). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2700=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2700=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) * cifs-utils-debuginfo-6.9-13.26.1 * cifs-utils-debugsource-6.9-13.26.1

Topics%20covered

Topics Covered

security advisory SuSE privilege escalation important local access cifs-utils

References

* bsc#1267389

Cross-

* CVE-2026-12505

CVSS scores:

* CVE-2026-12505 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-12505 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-12505 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-12505.html

* https://bugzilla.suse.com/show_bug.cgi?id=1267389

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2700-1
Release Date: 2026-06-30T09:25:03Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE privilege escalation important local access cifs-utils

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