Description
When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.
Metrics
CVSS 3.1 4.7/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NAffected software
| Vendor | Product | Versions |
|---|---|---|
| AMD | 1st Gen AMD EPYC™ Processors | Contact your OS vendor |
| AMD | 2nd Gen AMD EPYC™ Processors | Contact your OS vendor |
| AMD | Athlon™ X4 Processor | Contact your OS vendor |
| AMD | Ryzen™ Threadripper™ PRO Processor | Contact your OS vendor |
| AMD | 2nd Gen AMD Ryzen™ Threadripper™ Processors | Contact your OS vendor |
| AMD | 3rd Gen AMD Ryzen™ Threadripper™ Processors | Contact your OS vendor |
| AMD | 7th Generation AMD A-Series APUs | Contact your OS vendor |
| AMD | Ryzen™ 2000 Series Processors | Contact your OS vendor |
| AMD | Ryzen™ 3000 Series Processors | Contact your OS vendor |
| AMD | Ryzen™ 4000 Series Processors | Contact your OS vendor |
| AMD | Ryzen™ 5000 Series Processors | Contact your OS vendor |
| AMD | Athlon™ Mobile Processors | Contact your OS vendor |
References
- https://security.gentoo.org/glsa/202402-07
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045Mitigation, Vendor Advisory
- http://xenbits.xen.org/xsa/advisory-426.html
- https://security.gentoo.org/glsa/202402-07
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045Mitigation, Vendor Advisory
Timeline
- Published
- Mar 1, 2023
- Last modified
- Jun 17, 2026
- NVD status
- Modified