CVE-2021-3428

State: Published
Severity: Not scored
Published: Mar 4, 2022
Updated: Aug 3, 2024
Reserved: Mar 10, 2021

Description

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
kerneln/a	Affects linux kernel before v5.9.Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=1972621
https://ubuntu.com/security/CVE-2021-3428
https://www.openwall.com/lists/oss-security/2021/03/17/1

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