PT-2022-1926 · Polkit+10 · Polkit+10

Published 2020-09-11 · Updated 2024-06-15 · CVE-2021-4115

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions polkit (affected versions not specified)

Description The issue is related to a flaw in polkit that can allow an unprivileged user to cause polkit to crash due to process file descriptor exhaustion. This can lead to a denial of service. The threat from this issue is primarily to availability. The duration of the polkit process outage is tied to the failing process being reaped and a new one being spawned.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

ALSA-2022:1546

ALT-PU-2020-2764

ALT-PU-2022-1390

ALT-PU-2022-1606

ALT-PU-2022-1832

BDU:2022-01462

CESA-2022_1546

CVE-2021-4115

MGASA-2022-0080

OESA-2022-1572

OPENSUSE-SU-2022:0525-1

OPENSUSE-SU-2022_0525-1

OPENSUSE-SU-2024:11868-1

RHSA-2022:1546

RHSA-2022_1546

RLSA-2022:1546

SUSE-SU-2022:0524-1

SUSE-SU-2022:0525-1

SUSE-SU-2022:0525-2

SUSE-SU-2022_0524-1

SUSE-SU-2022_0525-1

SUSE-SU-2022_0525-2

USN-5304-1

Affected Products

Alt Linux

Almalinux

Centos

Debian

Linuxmint

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

Polkit

References · 51

• 🔥 https://gitlab.freedesktop.org/polkit/polkit/-/issues/141 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2021-4115 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2022:1546 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-4115 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2022:1546 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01462 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-4115 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2022:0525-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:0524-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5304-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1572 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11868-1 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2022-1546.html · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2022:1546 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:0525-2 · Vendor Advisory