VDB

DEBIAN-CVE-2021-3428

DEBIAN-CVE-2021-3428 PUBLISHED CVSS 5.5 MEDIUM

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.

Risk Scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:14linux0, 0, 0
Debian:13linux0, 0, 0
Debian:11linux0, 0, 0
Debian:12linux0, 0, 0

Timeline

  • Mar 4, 2022 CVE Published
  • Apr 28, 2026 CVE Updated
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