CVE-2023-31030: nvidia dgx_a100_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2023-31030 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in nvidia dgx_a100_firmware. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.8% of scored vulnerabilities.

Timeline

1. 12-01-2024
   PublishedVulnerability first disclosed.
2. 03-06-2025
   Last modifiedVulnerability information updated.

Description

NVIDIA DGX A100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a stack overflow by sending a specially crafted network packet. A successful exploit of this vulnerability may lead to arbitrary code execution, denial of service, information disclosure, and data tampering.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.