CVE-2021-26390 — MEDIUM (6.2)

Vulnerability Description

A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.

CVSS Score

6.2

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Amd	Ryzen 5 2600 Firmware	-
Amd	Ryzen 5 2600	-
Amd	Ryzen 5 2600X Firmware	-
Amd	Ryzen 5 2600X	-
Amd	Ryzen 5 2700X Firmware	-
Amd	Ryzen 5 2700X	-
Amd	Ryzen 5 2700 Firmware	-
Amd	Ryzen 5 2700	-
Amd	Ryzen 5 3600 Firmware	-
Amd	Ryzen 5 3600	-
Amd	Ryzen 5 3600X Firmware	-
Amd	Ryzen 5 3600X	-
Amd	Ryzen 7 3700X Firmware	-
Amd	Ryzen 7 3700X	-
Amd	Ryzen 7 3800X Firmware	-
Amd	Ryzen 7 3800X	-
Amd	Ryzen 9 3900X Firmware	-
Amd	Ryzen 9 3900X	-
Amd	Ryzen 9 3950X Firmware	-
Amd	Ryzen 9 3950X	-

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

FAQ

What is CVE-2021-26390?

CVE-2021-26390 is a vulnerability with a CVSS score of 6.2 (MEDIUM). A malicious or compromised UApp or ABL may coerce the bootloader into corrupting arbitrary memory potentially leading to loss of integrity of data.

How severe is CVE-2021-26390?

CVE-2021-26390 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26390?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Ryzen 5 2600 Firmware, Amd Ryzen 5 2600, Amd Ryzen 5 2600X Firmware, Amd Ryzen 5 2600X, Amd Ryzen 5 2700X Firmware.