CVE-2022-42276
NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.
- CVSS 3.1
- 8.2 HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.18% probability · 8th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-288, CWE-306
- Affected
- nvidia/dgx a100 firmware
- Source
- psirt@nvidia.com
References
- https://nvidia.custhelp.com/app/answers/detail/a_id/5435Vendor Advisory
- https://nvidia.custhelp.com/app/answers/detail/a_id/5435Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.