CVE-2021-26337

high-risk
Published 2021-11-16

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.

Do I need to act?

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0.13% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Vendors

Amd
50
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 31/34 · Critical