SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-26368

Insufficient check of the process type in Trusted OS (TOS) may allow an attacker with privileges to enable a lesser privileged process to unmap memory owned by a higher privileged process resulting in a denial of service.

MEDIUM 4.4EPSS 0.14%

Does this matter?

Lower severity and a low EPSS score (0.14%). Track it; it rarely justifies an emergency change on its own.

Description

Insufficient check of the process type in Trusted OS (TOS) may allow an attacker with privileges to enable a lesser privileged process to unmap memory owned by a higher privileged process resulting in a denial of service.

CVSS 3.1
4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS
0.14% probability · 4th percentile
CISA KEV
Not listed
Weakness
CWE-345
Affected
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 5300g firmware · amd/ryzen 5300ge firmware · amd/ryzen 5600g firmware · amd/ryzen 5600ge firmware · amd/ryzen 5600x firmware · amd/ryzen 5700g firmware · amd/ryzen 5700ge firmware · amd/ryzen 5800x firmware · amd/ryzen 5800x3d firmware · amd/ryzen 5900x firmware · amd/ryzen 5950x firmware · +40 more
Source
psirt@amd.com

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