Out-of-bounds Read in Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt
CVE-2021-46794
Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential denial of service.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (45.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt — versions various
- Amd Ryzen™ 5000 Series Desktop Processors “Vermeer” Am4 — versions various
- 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
Weakness classification (CWE)
References
- psirt@amd.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46794?
- CVE-2021-46794 is a high-severity vulnerability in Amd 3rd Gen Ryzen™ Threadripper™ Processors “Castle Peak” Hedt, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2023-05-09.
- How severe is CVE-2021-46794?
- High severity. CVSS v3 base score is 7.5 out of 10.