Out-of-bounds Read in AMD Ryzen 3100
CVE-2021-46765
Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (48.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- AMD Ryzen 3100
- AMD Ryzen 3100 Firmware — versions comboam4v2_pi_1.2.0.8, renoirpi-fp6_1.0.0.9
- AMD Ryzen 3300x
- AMD Ryzen 3300x Firmware — versions comboam4v2_pi_1.2.0.8, renoirpi-fp6_1.0.0.9
- AMD Ryzen 3500
- AMD Ryzen 3500 Firmware — versions comboam4v2_pi_1.2.0.8, renoirpi-fp6_1.0.0.9
- AMD Ryzen 3500x
- AMD Ryzen 3500x Firmware — versions comboam4v2_pi_1.2.0.8, renoirpi-fp6_1.0.0.9
- AMD Ryzen 3600
- AMD Ryzen 3600 Firmware — versions comboam4v2_pi_1.2.0.8, renoirpi-fp6_1.0.0.9
Weakness classification (CWE)
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46765?
- CVE-2021-46765 is a high-severity vulnerability in AMD Ryzen 3100, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2023-05-09.
- How severe is CVE-2021-46765?
- High severity. CVSS v3 base score is 7.5 out of 10.