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SUSE SLES15 Security Update : fuse-overlayfs (SUSE-SU-2026:4026-1)

low Nessus Plugin ID 348475

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:4026-1 advisory.

 This update for fuse-overlayfs fixes the following issue:

 - CVE-2026-52791: Privilege Escalation Vulnerability via SUID/SGID Bit Preservation (bsc#1273100).

Tenable has extracted the preceding description block directly from the SUSE 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 fuse-overlayfs package.

See Also

https://bugzilla.suse.com/1273100

https://www.suse.com/security/cve/CVE-2026-52791

http://www.nessus.org/u?d30a3345

Plugin Details

Severity: Low

ID: 348475

File Name: suse_SU-2026-4026-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/21/2026

Updated: 9/21/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.61

CVSS v2

Risk Factor: Low

Base Score: 3.8

Temporal Score: 2.8

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

CVSS Score Source: CVE-2026-52791

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

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

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

CVSS v4

Risk Factor: Low

Base Score: 2

Threat Score: 0.4

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:fuse-overlayfs

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/7/2026

Vulnerability Publication Date: 7/29/2026

Reference Information

CVE: CVE-2026-52791

SuSE: SUSE-SU-2026:4026-1