CVE-2023-0202: nvidia dgx_a100_firmware

Vulnerability summary

CVE-2023-0202 is a high (CVSS 7.8) vulnerability in nvidia dgx_a100_firmware. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.

Timeline

1. 22-04-2023
   PublishedVulnerability first disclosed.
2. 04-02-2025
   Last modifiedVulnerability information updated.

Description

NVIDIA DGX A100 SBIOS contains a vulnerability where an attacker may modify arbitrary memory of SMRAM by exploiting the GenericSio and LegacySmmSredir SMM APIs. A successful exploit of this vulnerability may lead to denial of service, escalation of privileges, and information disclosure.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.