cvedb.io
CVE-2021-3428
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2022-03-04T18:15:08.130 · Last modified 2026-06-17T04:05:04.343

Summary

A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.

Affected products

linux — linux_kernel

Does this affect you?

Add your gear to cvedb and we'll alert you only when linux ships something exploited.

Check my exposure →

References

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