Medium severity5.5NVD Advisory· Published Apr 29, 2022· Updated Jun 17, 2026
CVE-2021-3982
CVE-2021-3982
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:gnome:gnome-shell:-:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:gnome:gnome-shell:-:*:*:*:*:*:*:*
- (no CPE)
- (no CPE)
Patches
Vulnerability mechanics
References
2- gitlab.gnome.org/GNOME/gnome-shell/-/issues/2284nvdIssue TrackingPatchThird Party Advisory
- gitlab.gnome.org/GNOME/mutter/-/merge_requests/2060nvdIssue TrackingPatchThird Party Advisory
News mentions
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