VULNERABILITY INTELLIGENCE

CVE-2021-26409

CVSS score7.8 HIGH
EPSS probability0.19%
CISA KEVNot currently listed
Published2023-01-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.

Weakness classification

  • nvd@nist.gov: CWE-120
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-120

Primary references