What is CVE-2021-26337?

CVE-2021-26337 is a medium-severity vulnerability in Amd Athlon™ Series. CVSS score: 5.5/10. Published 2021-11-16.

How severe is CVE-2021-26337?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Amd Athlon™ Series

CVE-2021-26337

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.

EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Amd Athlon™ Series — versions various
Amd Epyc_7002
Amd Epyc_7002_firmware
Amd Epyc_7003
Amd Epyc_7003_firmware
Amd Epyc_7232p
Amd Epyc_7232p_firmware
Amd Epyc_7252
Amd Epyc_7252_firmware
Amd Epyc_7262

References

psirt@amd.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26337?: CVE-2021-26337 is a medium-severity vulnerability in Amd Athlon™ Series. CVSS score: 5.5/10. Published 2021-11-16.
How severe is CVE-2021-26337?: Medium severity. CVSS v3 base score is 5.5 out of 10.