Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Athlon X4 750 Firmware | - |
| Amd | Athlon X4 750 | - |
| Amd | Athlon X4 760K Firmware | - |
| Amd | Athlon X4 760K | - |
| Amd | Athlon X4 830 Firmware | - |
| Amd | Athlon X4 830 | - |
| Amd | Athlon X4 840 Firmware | - |
| Amd | Athlon X4 840 | - |
| Amd | Athlon X4 860K Firmware | - |
| Amd | Athlon X4 860K | - |
| Amd | Athlon X4 870K Firmware | - |
| Amd | Athlon X4 870K | - |
| Amd | Athlon X4 880K Firmware | - |
| Amd | Athlon X4 880K | - |
| Amd | Athlon X4 835 Firmware | - |
| Amd | Athlon X4 835 | - |
| Amd | Athlon X4 845 Firmware | - |
| Amd | Athlon X4 845 | - |
| Amd | Athlon X4 940 Firmware | - |
| Amd | Athlon X4 940 | - |
References
- https://security.gentoo.org/glsa/202402-07
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045MitigationVendor 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-1045MitigationVendor Advisory
FAQ
What is CVE-2022-27672?
CVE-2022-27672 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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.
How severe is CVE-2022-27672?
CVE-2022-27672 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-27672?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Athlon X4 750 Firmware, Amd Athlon X4 750, Amd Athlon X4 760K Firmware, Amd Athlon X4 760K, Amd Athlon X4 830 Firmware.