CVE-2021-3847 | BDVDB-2026-172986 Detail

kernel

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.

Impact#

No impact statement in the source data.

Weaknesses#

CWE-281

References#

https://bugzilla.redhat.com/show_bug.cgi?id=2009704
https://www.openwall.com/lists/oss-security/2021/10/14/3

Exploit#

No public exploit known

History#

Version 12022-04-01Record published in the CVE List.
Version 22024-08-03Most recent update recorded in the CVE List.