VulnerabilityModified
CVE-2023-20530
Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads 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 input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads 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-20
- Affected
- amd/epyc 7003 firmware · amd/epyc 72f3 firmware · amd/epyc 7313 firmware · amd/epyc 7313p firmware · amd/epyc 7343 firmware · amd/epyc 7373x firmware · amd/epyc 73f3 firmware · amd/epyc 7413 firmware · amd/epyc 7443 firmware · amd/epyc 7443p firmware · amd/epyc 7453 firmware · amd/epyc 74f3 firmware · amd/epyc 7513 firmware · amd/epyc 7543 firmware · amd/epyc 7543p firmware · amd/epyc 7573x firmware · amd/epyc 75f3 firmware · amd/epyc 7643 firmware · amd/epyc 7663 firmware · amd/epyc 7713 firmware · +4 more
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.