VulnerabilityModified
CVE-2021-46794
Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential 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 bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential 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-125
- Affected
- amd/ryzen 5300g firmware · amd/ryzen 5300ge firmware · amd/ryzen 5500 firmware · amd/ryzen 5600 firmware · amd/ryzen 5600g firmware · amd/ryzen 5600ge firmware · amd/ryzen 5600x firmware · amd/ryzen 5700g firmware · amd/ryzen 5700ge firmware · amd/ryzen 5700x firmware · amd/ryzen 5800 firmware · amd/ryzen 5800x3d firmware · amd/ryzen 5800x firmware · amd/ryzen 5900 firmware · amd/ryzen 5900x firmware · amd/ryzen 5945wx firmware · amd/ryzen 5950x firmware · amd/ryzen 5955wx firmware · amd/ryzen 5965wx firmware · amd/ryzen 5975wx firmware · +36 more
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.