CVE-2021-26391
Insufficient verification of multiple header signatures while loading a Trusted Application (TA)...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-26391- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-347
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2021-26391- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-347
- Updated
- 2026-11-02
EUVDEUVD-2021-13197
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.
- Record
EUVD-2021-13197- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cm49-fh74-75ch
Insufficient verification of multiple header signatures while loading a Trusted Application (TA)...
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.
- Record
GHSA-cm49-fh74-75ch- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-347
- Updated
- 2026-11-02
Affected products
- amd radeon rx 5000 series & pro w5000 series
- amd radeon rx 6000 series & pro w6000 series
- amd enterprise driver
- amd radeon pro software
- amd radeon rx vega 56 firmware
- amd radeon rx vega 64 firmware
- amd radeon software
- amd ryzen 3 5300g firmware
- amd ryzen 3 5300ge firmware
- amd ryzen 3 5300u firmware
- amd ryzen 3 5400u firmware
- amd ryzen 5 5500u firmware
Show 16 moreShow less
- amd ryzen 5 5560u firmware
- amd ryzen 5 5600g firmware
- amd ryzen 5 5600ge firmware
- amd ryzen 5 5600h firmware
- amd ryzen 5 5600hs firmware
- amd ryzen 5 5600u firmware
- amd ryzen 7 5700g firmware
- amd ryzen 7 5700ge firmware
- amd ryzen 7 5700u firmware
- amd ryzen 7 5800h firmware
- amd ryzen 7 5800hs firmware
- amd ryzen 7 5800u firmware
- amd ryzen 9 5900hs firmware
- amd ryzen 9 5900hx firmware
- amd ryzen 9 5980hs firmware
- amd ryzen 9 5980hx firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26391 is a high vulnerability (CVSS 7.8) in Amd Radeon Rx 5000 Series & Pro W5000 Series, published November 9, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.