Buffer overflow in Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt
CVE-2021-46760
A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code executio…
Vulnerability class: Buffer Overflow
EPSS: 0.008 (51.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt — versions various
- Amd Ryzen_3945wx
- Amd Ryzen_3945wx_firmware — versions castlepeakwspi-swrx8_1.0.0.9, chagallwspi-swrx8_1.0.0.2, castlepeakpi-sp3r3_1.0.0.7
- Amd Ryzen_3955wx
- Amd Ryzen_3955wx_firmware — versions castlepeakwspi-swrx8_1.0.0.9, chagallwspi-swrx8_1.0.0.2, castlepeakpi-sp3r3_1.0.0.7
- Amd Ryzen_3960x
- Amd Ryzen_3960x_firmware — versions castlepeakwspi-swrx8_1.0.0.9, chagallwspi-swrx8_1.0.0.2, castlepeakpi-sp3r3_1.0.0.7
- Amd Ryzen_3970x
- Amd Ryzen_3970x_firmware — versions castlepeakwspi-swrx8_1.0.0.9, chagallwspi-swrx8_1.0.0.2, castlepeakpi-sp3r3_1.0.0.7
- Amd Ryzen_3975wx
Weakness classification (CWE)
References
- psirt@amd.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46760?
- CVE-2021-46760 is a critical-severity vulnerability in Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2023-05-09.
- How severe is CVE-2021-46760?
- Critical severity. CVSS v3 base score is 9.8 out of 10.