CVE-2021-26391
hw: amd: Insufficient verification of header signature may lead to unwanted code execution problem
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Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 8, 2022
Updated · November 21, 2025
Description
A flaw was found in hw. Insufficient verification of multiple header signatures while loading a Trusted Application (TA) may allow an attacker with privileges to gain code execution in that TA or the OS/kernel.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Please contact AMD for more updates on this flaw.
CVSS / CWE
CVSS 3.1 · 6.4CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE not specified