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SUSE SLES15 Security Update : swtpm (SUSE-SU-2026:4366-1)

medium Nessus Plugin ID 351411

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:4366-1 advisory.

 This update for swtpm fixes the following issue:

 - CVE-2026-75900: out-of-bounds read in SWTPM_NVRAM_CheckHeader due to sizeof(pointer) vs sizeof(struct) mismatch (bsc#1275653).

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 swtpm and / or swtpm-devel packages.

See Also

https://bugzilla.suse.com/1275653

https://www.suse.com/security/cve/CVE-2026-75900

http://www.nessus.org/u?9576d11b

Plugin Details

Severity: Medium

ID: 351411

File Name: suse_SU-2026-4366-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/30/2026

Updated: 9/30/2026

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: 3.5

Percentile: 51.6

CVSS v2

Risk Factor: Medium

Base Score: 5.2

Temporal Score: 3.8

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

CVSS Score Source: CVE-2026-75900

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:swtpm-devel, p-cpe:/a:novell:suse_linux:swtpm

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: 9/28/2026

Vulnerability Publication Date: 8/19/2026

Reference Information

CVE: CVE-2026-75900

SuSE: SUSE-SU-2026:4366-1