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CVE-2021-3847

HIGH CVSS: 7.8 Published: 2022-04-01 Modified: 2026-06-17

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.

Affected Platforms

Linux Linux KernelFedoraproject Fedora

Weakness Type

CWE-281, CWE-281

References