cvedb.io
CVE-2021-3847
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2022-04-01T23:15:10.597 · Last modified 2026-06-17T04:05:53.220

Summary

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 products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.