CVE-2021-26391 | BDVDB-2026-188231 Detail

AMDAMD Radeon RX 5000 Series & PRO W5000 Series

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-347 Improper Verification of Cryptographic Signature

References#

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1029

Exploit#

No public exploit known

History#

Version 12022-11-09Record published in the CVE List.
Version 22025-05-01Most recent update recorded in the CVE List.

Published

Published: 2022-11-09
Last modified: 2025-05-01

Vendor information

Vendor: AMD
Product: AMD Radeon RX 5000 Series & PRO W5000 Series

All AMD vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= AMD Radeon Software and < 22.5.2
Fixed
22.5.2
Vulnerable
>= AMD Radeon Pro Software Enterprise and < 22.Q2
Fixed
22.Q2
Vulnerable
>= Enterprise Driver and < 22.10.20
Fixed
22.10.20

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).