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Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : util-linux vulnerability (USN-8091-1)

info Nessus Plugin ID 302213

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8091-1 advisory.

 It was discovered that the util-linux su utility did not drop capabilities when being used with the --pty option. While not a security issue by itself, a local attacker could possibly use the su tool to exploit vulnerabilities in other applications.

Tenable has extracted the preceding description block directly from the Ubuntu 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 packages.

See Also

https://ubuntu.com/security/notices/USN-8091-1

Plugin Details

Severity: Info

ID: 302213

File Name: ubuntu_USN-8091-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/13/2026

Updated: 3/13/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:bsdextrautils, p-cpe:/a:canonical:ubuntu_linux:fdisk, p-cpe:/a:canonical:ubuntu_linux:libblkid1, p-cpe:/a:canonical:ubuntu_linux:libmount1, p-cpe:/a:canonical:ubuntu_linux:liblastlog2-2, p-cpe:/a:canonical:ubuntu_linux:bsdutils, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:rfkill, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:lastlog2, p-cpe:/a:canonical:ubuntu_linux:util-linux-extra, p-cpe:/a:canonical:ubuntu_linux:mount, p-cpe:/a:canonical:ubuntu_linux:util-linux-locales, p-cpe:/a:canonical:ubuntu_linux:uuid-runtime, p-cpe:/a:canonical:ubuntu_linux:libfdisk1, p-cpe:/a:canonical:ubuntu_linux:util-linux, p-cpe:/a:canonical:ubuntu_linux:libpam-lastlog2, p-cpe:/a:canonical:ubuntu_linux:eject, p-cpe:/a:canonical:ubuntu_linux:libmount-dev, p-cpe:/a:canonical:ubuntu_linux:libsmartcols-dev, p-cpe:/a:canonical:ubuntu_linux:libuuid1, p-cpe:/a:canonical:ubuntu_linux:login, p-cpe:/a:canonical:ubuntu_linux:liblastlog2-dev, p-cpe:/a:canonical:ubuntu_linux:libblkid-dev, p-cpe:/a:canonical:ubuntu_linux:uuid-dev, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libfdisk-dev, p-cpe:/a:canonical:ubuntu_linux:libsmartcols1

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 3/12/2026

Vulnerability Publication Date: 3/12/2026

Reference Information

USN: 8091-1