Scientific Linux Security Update : polkit on SL7.x i686/x86_64 (2022:0274)

high Nessus Plugin ID 157131


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 a vulnerability as referenced in the SLSA-2022:0274-1 advisory.

- polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector (CVE-2021-4034)

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


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 157131

File Name: sl_20220126_polkit_on_SL7_x.nasl

Version: 1.11

Type: local

Agent: unix

Published: 1/26/2022

Updated: 1/16/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information


Risk Factor: Critical

Score: 9.8


Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2021-4034


Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:polkit, p-cpe:/a:fermilab:scientific_linux:polkit-debuginfo, p-cpe:/a:fermilab:scientific_linux:polkit-devel, p-cpe:/a:fermilab:scientific_linux:polkit-docs, cpe:/o:fermilab:scientific_linux

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/26/2022

Vulnerability Publication Date: 1/25/2022

CISA Known Exploited Vulnerability Due Dates: 7/18/2022

Exploitable With


Core Impact

Metasploit (Local Privilege Escalation in polkits pkexec)

Reference Information

CVE: CVE-2021-4034

IAVA: 2022-A-0055

RHSA: RHSA-2022:0274