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MEDIUM · 4.4

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...

Vulnerability 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 Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
AmdRyzen 3 2200U Firmware-
AmdRyzen 3 2200U-
AmdRyzen 3 2300U Firmware-
AmdRyzen 3 2300U-
AmdRyzen 3 3100 Firmware-
AmdRyzen 3 3100-
AmdRyzen 3 3300G Firmware-
AmdRyzen 3 3300G-
AmdRyzen 3 3300X Firmware-
AmdRyzen 3 3300X-
AmdRyzen 3 5125C Firmware-
AmdRyzen 3 5125C-
AmdRyzen 3 5400U Firmware-
AmdRyzen 3 5400U-
AmdRyzen 3 5425C Firmware-
AmdRyzen 3 5425C-
AmdRyzen 3 5425U Firmware-
AmdRyzen 3 5425U-
AmdRyzen 5300G Firmware-
AmdRyzen 5300G-

Related Weaknesses (CWE)

CWE-345

References

FAQ

What is CVE-2021-26368?

CVE-2021-26368 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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...

How severe is CVE-2021-26368?

CVE-2021-26368 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26368?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Ryzen 3 2200U Firmware, Amd Ryzen 3 2200U, Amd Ryzen 3 2300U Firmware, Amd Ryzen 3 2300U, Amd Ryzen 3 3100 Firmware.