Scientific Linux Security Update : xorg-x11-server on SL7.x i686/x86_64 (2022:8491)

high Nessus Plugin ID 167745


The remote Scientific Linux host is missing one or more security updates.


The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2022:8491-1 advisory.

- xorg-x11-server: buffer overflow in _GetCountedString() in xkb/xkb.c (CVE-2022-3550)

- xorg-x11-server: memory leak in ProcXkbGetKbdByName() in xkb/xkb.c (CVE-2022-3551)

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


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 167745

File Name: sl_20221116_xorg_x11_server_on_SL7_x.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/16/2022

Updated: 11/30/2022

Supported Sensors: Nessus Agent

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2022-3550


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: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-Xdmx, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-Xephyr, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-Xnest, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-Xorg, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-Xvfb, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-Xwayland, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-common, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-debuginfo, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-devel, p-cpe:/a:fermilab:scientific_linux:xorg-x11-server-source

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/16/2022

Vulnerability Publication Date: 10/17/2022

Reference Information

CVE: CVE-2022-3550, CVE-2022-3551