VULNERABILITY INTELLIGENCE

CVE-2021-26406

CVSS score7.5 HIGH
EPSS probability0.42%
CISA KEVNot currently listed
Published2023-05-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization) and SEV-ES user application can lead to a host crash potentially resulting in denial of service.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references