SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-20529

Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of service.

HIGH 7.5EPSS 0.62%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Insufficient bound checks in the SMU may allow an attacker to update the from/to address space to an invalid value potentially resulting in a denial of service.

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
0.62% probability · 48th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
amd/epyc 7h12 firmware · amd/epyc 7f72 firmware · amd/epyc 7f52 firmware · amd/epyc 7f32 firmware · amd/epyc 7742 firmware · amd/epyc 7702p firmware · amd/epyc 7702 firmware · amd/epyc 7662 firmware · amd/epyc 7642 firmware · amd/epyc 7552 firmware · amd/epyc 7542 firmware · amd/epyc 7532 firmware · amd/epyc 7502p firmware · amd/epyc 7502 firmware · amd/epyc 7452 firmware · amd/epyc 7402 firmware · amd/epyc 7402p firmware · amd/epyc 7352 firmware · amd/epyc 7302p firmware · amd/epyc 7302 firmware · +30 more
Source
psirt@amd.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.