Vulnerability in Amd 2nd Gen Ryzen™ Threadripper™ Processor
CVE-2023-20558
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
EPSS: 0.007 (47.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Amd 2nd Gen Ryzen™ Threadripper™ Processor — versions Various
- Amd 3rd Gen Ryzen™ Threadripper™ Processors — versions various
- Amd Athlon_gold_3150u
- Amd Athlon_gold_3150u_firmware
- Amd Athlon_silver_3050u
- Amd Athlon_silver_3050u_firmware
- Amd Ryzen_3_2200u
- Amd Ryzen_3_2200u_firmware
- Amd Ryzen_3_2300u
- Amd Ryzen_3_2300u_firmware
Weakness classification (CWE)
References
- psirt@amd.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20558?
- CVE-2023-20558 is a high-severity vulnerability in Amd 2nd Gen Ryzen™ Threadripper™ Processor, classified under Always-Incorrect Control Flow Implementation. CVSS score: 8.8/10. Published 2023-04-02.
- How severe is CVE-2023-20558?
- High severity. CVSS v3 base score is 8.8 out of 10.