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SUSE SLED15: libblkid-devel / libblkid-devel-static / libblkid1 / etc (SUSE-SU-2026:3684-1)

medium Nessus Plugin ID 339736

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3684-1 advisory.

 - CVE-2026-13595: heap use-after-free read in `libblkid` nested partition probing (bsc#1269583).
 - CVE-2026-27456: TOCTOU race condition in the mount program when setting up loop devices (bsc#1261606).
 - Several security issues in releases prior to v2.42.2 and v2.41.5 (bsc#1268886).

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

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

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1261606

https://bugzilla.suse.com/1268886

https://bugzilla.suse.com/1269583

https://www.suse.com/security/cve/CVE-2026-13595

https://www.suse.com/security/cve/CVE-2026-27456

https://www.suse.com/security/cve/CVE-2026-53612

https://www.suse.com/security/cve/CVE-2026-53613

https://www.suse.com/security/cve/CVE-2026-53614

http://www.nessus.org/u?9577fdf0

Plugin Details

Severity: Medium

ID: 339736

File Name: suse_SU-2026-3684-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/26/2026

Updated: 8/26/2026

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: Medium

Score: 6.9

Percentile: 96.76

CVSS v2

Risk Factor: Medium

Base Score: 4.5

Temporal Score: 3.5

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

CVSS Score Source: CVE-2026-13595

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libblkid-devel-static, p-cpe:/a:novell:suse_linux:libblkid-devel, p-cpe:/a:novell:suse_linux:libblkid1-32bit, p-cpe:/a:novell:suse_linux:libblkid1, p-cpe:/a:novell:suse_linux:libfdisk-devel, p-cpe:/a:novell:suse_linux:libfdisk1, p-cpe:/a:novell:suse_linux:libmount-devel, p-cpe:/a:novell:suse_linux:libmount1-32bit, p-cpe:/a:novell:suse_linux:libmount1, p-cpe:/a:novell:suse_linux:libsmartcols-devel, p-cpe:/a:novell:suse_linux:libsmartcols1, p-cpe:/a:novell:suse_linux:libuuid-devel-static, p-cpe:/a:novell:suse_linux:libuuid-devel, p-cpe:/a:novell:suse_linux:libuuid1-32bit, p-cpe:/a:novell:suse_linux:libuuid1, p-cpe:/a:novell:suse_linux:util-linux-extra, p-cpe:/a:novell:suse_linux:util-linux-lang, p-cpe:/a:novell:suse_linux:util-linux-systemd, p-cpe:/a:novell:suse_linux:util-linux-tty-tools, p-cpe:/a:novell:suse_linux:util-linux, p-cpe:/a:novell:suse_linux:uuidd

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/21/2026

Vulnerability Publication Date: 4/1/2026

Reference Information

CVE: CVE-2026-13595, CVE-2026-27456, CVE-2026-53612, CVE-2026-53613, CVE-2026-53614

IAVA: 2026-A-0384

SuSE: SUSE-SU-2026:3684-1