VULNERABILITY INTELLIGENCE

CVE-2021-3501

CVSS score7.1 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2021-05-06
Last modified2026-08-05
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Description

A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.

Weakness classification

  • CWE-787: Out-of-bounds Write

Primary references