VulnerabilityModified
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.
HIGH 7.8EPSS 0.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.18% probability · 8th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- amd/enterprise driver · amd/radeon pro software · amd/radeon software · amd/radeon rx vega 56 firmware · amd/radeon rx vega 64 firmware · amd/ryzen 3 5300ge firmware · amd/ryzen 3 5300g firmware · amd/ryzen 5 5600ge firmware · amd/ryzen 5 5600g firmware · amd/ryzen 7 5700ge firmware · amd/ryzen 7 5700g firmware · amd/ryzen 3 5300u firmware · amd/ryzen 5 5500u firmware · amd/ryzen 7 5700u firmware · amd/ryzen 3 5400u firmware · amd/ryzen 5 5560u firmware · amd/ryzen 5 5600u firmware · amd/ryzen 5 5600h firmware · amd/ryzen 5 5600hs firmware · amd/ryzen 7 5800u firmware · +6 more
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.