What is CVE-2021-26350?

CVE-2021-26350 is a medium-severity vulnerability in Amd Epyc 7232p, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 4.7/10. Published 2022-05-11.

How severe is CVE-2021-26350?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Amd Epyc 7232p

CVE-2021-26350

A TOCTOU race condition in SMU may allow for the caller to obtain and manipulate the address of a message port register which may result in a potential denial of service.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.001 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Amd Epyc_7232p
Amd Epyc_7232p_firmware
Amd Epyc_7252
Amd Epyc_7252_firmware
Amd Epyc_7262
Amd Epyc_7262_firmware
Amd Epyc_7272
Amd Epyc_7272_firmware
Amd Epyc_7282
Amd Epyc_7282_firmware

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

psirt@amd.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26350?: CVE-2021-26350 is a medium-severity vulnerability in Amd Epyc 7232p, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 4.7/10. Published 2022-05-11.
How severe is CVE-2021-26350?: Medium severity. CVSS v3 base score is 4.7 out of 10.