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HIGH · 7.8

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.

Vulnerability 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.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AmdEnterprise Driver< 22.10.20
AmdRadeon Pro Software< 22.q2
AmdRadeon Software< 22.5.2
AmdRadeon Pro W5500-
AmdRadeon Pro W5500X-
AmdRadeon Pro W5700-
AmdRadeon Pro W5700X-
AmdRadeon Pro W6300M-
AmdRadeon Pro W6400-
AmdRadeon Pro W6500M-
AmdRadeon Pro W6600-
AmdRadeon Pro W6600M-
AmdRadeon Pro W6600X-
AmdRadeon Pro W6800-
AmdRadeon Pro W6800X-
AmdRadeon Pro W6800X Duo-
AmdRadeon Pro W6900X-
AmdRadeon Rx 5300-
AmdRadeon Rx 5300 Xt-
AmdRadeon Rx 5300M-

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2021-26391?

CVE-2021-26391 is a vulnerability with a CVSS score of 7.8 (HIGH). 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.

How severe is CVE-2021-26391?

CVE-2021-26391 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26391?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Enterprise Driver, Amd Radeon Pro Software, Amd Radeon Software, Amd Radeon Pro W5500, Amd Radeon Pro W5500X.