CVE-2025-29939 MEDIUM

CVE-2025-29939

Weakness CWE-284
Published February 10, 2026
Last update February 10, 2026

CVSS base score

6.9/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N

What the vulnerability does

01Description

Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and integrity.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
February 10, 2026 Record updated