SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-26351

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.

MEDIUM 5.5EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

Description

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.21% probability · 11th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
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 3400g firmware · amd/ryzen 5 3450g firmware · amd/ryzen 5 3600 firmware · amd/ryzen 5 3600x firmware · amd/ryzen 5 5560u firmware · amd/ryzen 5 5600h firmware · amd/ryzen 5 5600hs firmware · amd/ryzen 5 5600u firmware · amd/ryzen 5 5600x firmware · amd/ryzen 5 5625c firmware · amd/ryzen 5 5625u firmware · amd/ryzen 5 5700g firmware · amd/ryzen 5 5700ge firmware · +29 more
Source
psirt@amd.com

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