CVE-2021-26393
Severity
5.5MEDIUM
EPSS
0.2%
top 62.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 9
Latest updateNov 10
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6
Affected Packages9 packages
🔴Vulnerability Details
2GHSA▶
GHSA-p326-98p9-wprv: Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges↗2022-11-10
CVEList▶
CVE-2021-26393: Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges↗2022-11-09
📋Vendor Advisories
1Red Hat▶
hw: amd: Insufficient memory cleanup in ASP Trusted Execution Environment (TEE) may poison process contents↗2022-11-08