VulnerabilityModified

CVE-2021-26366

An attacker, who gained elevated privileges via some other vulnerability, may be able to read data from Boot ROM resulting in a loss of system integrity.

HIGH 7.1EPSS 0.24%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An attacker, who gained elevated privileges via some other vulnerability, may be able to read data from Boot ROM resulting in a loss of system integrity.

CVSS 3.1: 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.24% probability · 15th percentile
CISA KEV: Not listed
Affected: amd/radeon software · amd/athlon 3050ge firmware · amd/athlon 3150g firmware · amd/athlon 3150ge firmware · amd/ryzen 3 2200u firmware · amd/ryzen 3 2300u firmware · amd/ryzen 3 3100 firmware · amd/ryzen 3 3300g firmware · amd/ryzen 3 3300x firmware · amd/ryzen 3 5125c firmware · amd/ryzen 3 5400u firmware · amd/ryzen 3 5425c firmware · amd/ryzen 3 5425u firmware · amd/ryzen 5 2500u firmware · amd/ryzen 5 2600 firmware · amd/ryzen 5 2600h firmware · amd/ryzen 5 2600x firmware · amd/ryzen 5 3400g firmware · amd/ryzen 5 3450g firmware · amd/ryzen 5 3600 firmware · +40 more
Source: psirt@amd.com

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.