Buffer overflow in AMD Athlon Gold 3150g
CVE-2021-46759
Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to reveal the contents of the ASP (AMD Secure Processor) bootloader accessible memory to a serial port, resulting in a potential loss of integrity.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- AMD Athlon Gold 3150g
- AMD Athlon Gold 3150ge
- AMD Athlon Gold 3150ge Firmware — versions picassopi-fp5_1.0.0.e, pollockpi-ft5_1.0.0.4
- AMD Athlon Gold 3150g Firmware — versions picassopi-fp5_1.0.0.e, pollockpi-ft5_1.0.0.4
- AMD Athlon Silver 3050ge
- AMD Athlon Silver 3050ge Firmware — versions picassopi-fp5_1.0.0.e, pollockpi-ft5_1.0.0.4
- AMD Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics “Dali”/”dali” Ulp — versions various
- AMD Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics “Pollock” — versions various
- AMD Ryzen 1200 \(Af\)
- AMD Ryzen 1200 \(Af\) Firmware — versions comboam4pi_1.0.0.9, comboam4v2_pi_1.2.0.8, pinnaclepi-am4_1.0.0.d
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-2021-46759?
- CVE-2021-46759 is a medium-severity vulnerability in AMD Athlon Gold 3150g, classified under Out-of-bounds Write. CVSS score: 6.1/10. Published 2023-05-09.
- How severe is CVE-2021-46759?
- Medium severity. CVSS v3 base score is 6.1 out of 10.