Buffer overflow in Nvidia Dgx A100
CVE-2022-28200
NVIDIA DGX A100 contains a vulnerability in SBIOS in the BiosCfgTool, where a local user with elevated privileges can read and write beyond intended bounds in SMRAM, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (15.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Nvidia Dgx_a100
- Nvidia Dgx_a100_firmware
- Nvidia Dgx A100 — versions Versions prior to 22.5.5
Weakness classification (CWE)
References
- psirt@nvidia.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-28200?
- CVE-2022-28200 is a high-severity vulnerability in Nvidia Dgx A100, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.2/10. Published 2022-07-02.
- How severe is CVE-2022-28200?
- High severity. CVSS v3 base score is 8.2 out of 10.