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CVE-2021-26368

MEDIUMCVSS 4.4/10EPSS 0.14%

Last modified

CVE-2021-26368 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. 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.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.4/10

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

EPSS Probability
0.14%

3.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AmdRyzen 3 2200u FirmwareAll versions
AmdRyzen 3 2300u FirmwareAll versions
AmdRyzen 3 3100 FirmwareAll versions
AmdRyzen 3 3300g FirmwareAll versions
AmdRyzen 3 3300x FirmwareAll versions
AmdRyzen 3 5125c FirmwareAll versions
AmdRyzen 3 5400u FirmwareAll versions
AmdRyzen 3 5425c FirmwareAll versions
AmdRyzen 3 5425u FirmwareAll versions
AmdRyzen 5300g FirmwareAll versions
AmdRyzen 5300ge FirmwareAll versions
AmdRyzen 5600g FirmwareAll versions
AmdRyzen 5600ge FirmwareAll versions
AmdRyzen 5600x FirmwareAll versions
AmdRyzen 5700g FirmwareAll versions
AmdRyzen 5700ge FirmwareAll versions
AmdRyzen 5800x FirmwareAll versions
AmdRyzen 5800x3d FirmwareAll versions
AmdRyzen 5900x FirmwareAll versions
AmdRyzen 5950x FirmwareAll versions
AmdRyzen 5 2500u FirmwareAll versions
AmdRyzen 5 2600 FirmwareAll versions
AmdRyzen 5 2600h FirmwareAll versions
AmdRyzen 5 2600x FirmwareAll versions
AmdRyzen 5 3400g FirmwareAll versions
AmdRyzen 5 3450g FirmwareAll versions
AmdRyzen 5 3600 FirmwareAll versions
AmdRyzen 5 3600x FirmwareAll versions
AmdRyzen 5 5560u FirmwareAll versions
AmdRyzen 5 5600h FirmwareAll versions
AmdRyzen 5 5600hs FirmwareAll versions
AmdRyzen 5 5600u FirmwareAll versions
AmdRyzen 5 5600x FirmwareAll versions
AmdRyzen 5 5625c FirmwareAll versions
AmdRyzen 5 5625u FirmwareAll versions
AmdRyzen 5 5700g FirmwareAll versions
AmdRyzen 5 5700ge FirmwareAll versions
AmdRyzen 7 2700 FirmwareAll versions
AmdRyzen 7 2700u FirmwareAll versions
AmdRyzen 7 2700x FirmwareAll versions
AmdRyzen 7 2800h FirmwareAll versions
AmdRyzen 7 3700x FirmwareAll versions
AmdRyzen 7 3800x FirmwareAll versions
AmdRyzen 7 5800h FirmwareAll versions
AmdRyzen 7 5800hs FirmwareAll versions
AmdRyzen 7 5800u FirmwareAll versions
AmdRyzen 7 5825c FirmwareAll versions
AmdRyzen 7 5825u FirmwareAll versions
AmdRyzen 9 3900x FirmwareAll versions
AmdRyzen 9 3950x FirmwareAll versions

Showing 50 of 70 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2021-26368?
CVE-2021-26368 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26368?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-26368?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST