VULNERABILITY INTELLIGENCE
CVE-2021-26393
CVSS score5.5 MEDIUM
EPSS probability0.27%
CISA KEVNot currently listed
Published2022-11-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Description
Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker controlled data resulting in a loss of confidentiality.
Weakness classification
- nvd@nist.gov: CWE-401
Primary references
- psirt@amd.com — Vendor Advisory
- psirt@amd.com
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108