Buffer overflow in Amd 1st Gen Epyc
CVE-2021-46779
Insufficient input validation in SVC_ECC_PRIMITIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential loss of integrity and availability.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (7.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Amd 1st Gen Epyc — versions various
- Amd 2nd Gen Epyc — versions various
- Amd 3rd Gen Epyc — versions various
- Amd Milanpi
- Amd Milanpi_firmware
- Amd Naplespi
- Amd Naplespi_firmware
- Amd Romepi
- Amd Romepi_firmware
Weakness classification (CWE)
References
- psirt@amd.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46779?
- CVE-2021-46779 is a high-severity vulnerability in Amd 1st Gen Epyc, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2023-01-11.
- How severe is CVE-2021-46779?
- High severity. CVSS v3 base score is 7.1 out of 10.