CVE-2025-29939CWE-284

Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested…

Medium · published February 10, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
4.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00158 · 4.5th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-02-10T19:11Z
EPSS history
Timeline
  • 10 FEB 19:11Z
    Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested…
    cvelistv5