cvedb.io
CVE-2021-3739
HIGH · CVSS 7.1
EPSS exploitation probability: 0%
Published 2022-03-10T17:43:01.463 · Last modified 2026-06-17T04:05:40.280

Summary

A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.

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.