VulnerabilityModified
CVE-2021-26338
Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.
HIGH 7.5EPSS 0.93%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.93% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- amd/epyc 7f72 firmware · amd/epyc 7f52 firmware · amd/epyc 7f32 firmware · amd/epyc 7h12 firmware · amd/epyc 7742 firmware · amd/epyc 7702 firmware · amd/epyc 7702p firmware · amd/epyc 7662 firmware · amd/epyc 7642 firmware · amd/epyc 7552 firmware · amd/epyc 7542 firmware · amd/epyc 7532 firmware · amd/epyc 7502 firmware · amd/epyc 7502p firmware · amd/epyc 7452 firmware · amd/epyc 7402 firmware · amd/epyc 7402p firmware · amd/epyc 7352 firmware · amd/epyc 7302 firmware · amd/epyc 7302p firmware · +24 more
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.