CVE Vulnerability

CVE-2021-3982

Linux distributions using CAP_SYS_NICE for gnome-shell may be exposed to a privilege escalation issue. An attacker, with low privilege permissions, may take advantage of the way CAP_SYS_NICE is currently implemented and eventually load code to increase its process scheduler priority leading to possible DoS of other services running in the same machine.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2284 Issue Tracking Patch
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2060 Issue Tracking Patch
Configurations

Configuration 1

cpe:2.3:a:gnome:gnome-shell:-:*:*:*:*:*:*:*
Information

Published : 2022-04-29 05:15

Updated : 2023-02-03 01:57

NVD link : CVE-2021-3982

Mitre link : CVE-2021-3982

Products Affected
No products.
CWE
CWE-273

Improper Check for Dropped Privileges