High severity7.8NVD Advisory· Published Apr 1, 2022· Updated Jun 17, 2026
CVE-2021-3847
CVE-2021-3847
Description
An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- www.openwall.com/lists/oss-security/2021/10/14/3nvdMailing ListThird Party Advisory
News mentions
0No linked articles in our index yet.