VULNERABILITY INTELLIGENCE

CVE-2023-21401

CVSS score9.8 CRITICAL
EPSS probability0.41%
CISA KEVNot currently listed
Published2023-12-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In DevmemIntChangeSparse of devicemem_server.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references