Vulnerability in AMD Athlon Gold 3150g
CVE-2021-46792
Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a race condition causing the ASP bootloader to perform out-of-bounds SRAM reads upon an S3 resume event potentially leading to a denial of service.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- AMD Athlon Gold 3150g
- AMD Athlon Gold 3150ge
- AMD Athlon Gold 3150ge Firmware — versions picassopi-fp5_1.0.0.4
- AMD Athlon Gold 3150g Firmware — versions picassopi-fp5_1.0.0.4
- AMD Athlon Silver 3050ge
- AMD Athlon Silver 3050ge Firmware — versions picassopi-fp5_1.0.0.4
- AMD Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics “Dali”/”dali” Ulp — versions various
- AMD Ryzen 1200 \(Af\)
- AMD Ryzen 1200 \(Af\) Firmware — versions pinnaclepi-am4_1.0.0.7, raven-fp5-am4_1.0.0.9
- AMD Ryzen 1600 \(Af\)
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-2021-46792?
- CVE-2021-46792 is a medium-severity vulnerability in AMD Athlon Gold 3150g, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.9/10. Published 2023-05-09.
- How severe is CVE-2021-46792?
- Medium severity. CVSS v3 base score is 5.9 out of 10.