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Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : GNU C Library vulnerability (USN-7541-1)

high Nessus Plugin ID 237431

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-7541-1 advisory.

 It was discovered that the GNU C Library incorrectly search LD_LIBRARY_PATH to determine which library to load when statically linked setuid binary calls dlopen. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

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-7541-1

Plugin Details

Severity: High

ID: 237431

File Name: ubuntu_USN-7541-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 5/28/2025

Updated: 5/28/2025

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2025-4802

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libc-devtools, p-cpe:/a:canonical:ubuntu_linux:libc6-armel, p-cpe:/a:canonical:ubuntu_linux:libc6-lse, p-cpe:/a:canonical:ubuntu_linux:libc6-s390, p-cpe:/a:canonical:ubuntu_linux:glibc-source, p-cpe:/a:canonical:ubuntu_linux:nscd, p-cpe:/a:canonical:ubuntu_linux:libc6-prof, p-cpe:/a:canonical:ubuntu_linux:libc6-dev-armel, p-cpe:/a:canonical:ubuntu_linux:multiarch-support, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libc6-i386, p-cpe:/a:canonical:ubuntu_linux:locales, p-cpe:/a:canonical:ubuntu_linux:libc6-x32, p-cpe:/a:canonical:ubuntu_linux:libc-bin, p-cpe:/a:canonical:ubuntu_linux:locales-all, p-cpe:/a:canonical:ubuntu_linux:libc6-amd64, p-cpe:/a:canonical:ubuntu_linux:libc6, p-cpe:/a:canonical:ubuntu_linux:libc6-dev-i386, p-cpe:/a:canonical:ubuntu_linux:libc6-pic, p-cpe:/a:canonical:ubuntu_linux:libc6-dev, p-cpe:/a:canonical:ubuntu_linux:libc-dev-bin, p-cpe:/a:canonical:ubuntu_linux:libc6-dev-amd64, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libc6-dev-x32, p-cpe:/a:canonical:ubuntu_linux:libc6-dev-s390

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/28/2025

Vulnerability Publication Date: 1/23/2025

Reference Information

CVE: CVE-2025-4802

IAVA: 2025-A-0062

USN: 7541-1