Vulnerability Intelligence Report
CVE-2021-26391
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.
No Active Exploit Signals
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:0.17%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-347 ↗CWE-347 Improper Verification of Cryptographic Signature
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| AMD | AMD Radeon RX 5000 Series & PRO W5000 Series | AMD Radeon Software < 22.5.2 (affected), AMD Radeon Pro Software Enterprise < 22.Q2 (affected), Enterprise Driver < 22.10.20 (affected) |
| AMD | AMD Radeon RX 6000 Series & PRO W6000 Series | AMD Radeon Software < 22.5.2 (affected), AMD Radeon Pro Software Enterprise < 22.Q2 (affected), Enterprise Driver < 22.10.20 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.172%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Advanced Micro Devices Inc. · Vendor · USA |
| Reserved | 2021-01-29T00:00:00 |
| Published | 2022-11-09T20:44:25 |
| Patch Date | 2022-11-08 |
| Last Updated | 2025-05-01T14:19:25 |
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