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Debian dsa-6044 : xnest - security update

high Nessus Plugin ID 271955

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6044 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6044-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 29, 2025 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : xorg-server CVE ID : CVE-2025-62229 CVE-2025-62230 CVE-2025-62231

 Jan-Niklas Sohn discovered several vulnerabilities in the Xorg X server, which may result in privilege escalation if the X server is running privileged.

 For the oldstable distribution (bookworm), these problems have been fixed in version 2:21.1.7-3+deb12u11.

 For the stable distribution (trixie), these problems have been fixed in version 2:21.1.16-1.3+deb13u1.

 We recommend that you upgrade your xorg-server packages.

 For the detailed security status of xorg-server please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/xorg-server

 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

 Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the xnest packages.

See Also

https://security-tracker.debian.org/tracker/source-package/xorg-server

https://security-tracker.debian.org/tracker/CVE-2025-62229

https://security-tracker.debian.org/tracker/CVE-2025-62230

https://security-tracker.debian.org/tracker/CVE-2025-62231

https://packages.debian.org/source/bookworm/xorg-server

https://packages.debian.org/source/trixie/xorg-server

Plugin Details

Severity: High

ID: 271955

File Name: debian_DSA-6044.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/29/2025

Updated: 10/29/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2025-62231

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:xorg-server-source, p-cpe:/a:debian:debian_linux:xnest, p-cpe:/a:debian:debian_linux:xserver-xorg-dev, p-cpe:/a:debian:debian_linux:xserver-xorg-core, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:xserver-xorg-legacy, p-cpe:/a:debian:debian_linux:xvfb, p-cpe:/a:debian:debian_linux:xserver-xephyr, p-cpe:/a:debian:debian_linux:xserver-xorg-core-udeb, p-cpe:/a:debian:debian_linux:xserver-common, cpe:/o:debian:debian_linux:12.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/29/2025

Vulnerability Publication Date: 10/29/2025

Reference Information

CVE: CVE-2025-62229, CVE-2025-62230, CVE-2025-62231