Vulnerability in AMD 1st Gen Epyc™ Processors
CVE-2022-27672
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- AMD 1st Gen Epyc™ Processors — versions Contact your OS vendor
- AMD 2nd Gen Epyc™ Processors — versions Contact your OS vendor
- AMD 2nd Gen Ryzen™ Threadripper™ Processors — versions Contact your OS vendor
- AMD 3rd Gen Ryzen™ Threadripper™ Processors — versions Contact your OS vendor
- AMD 7th Generation A-Series Apus — versions Contact your OS vendor
- AMD A10-9600p
- AMD A10-9600p Firmware
- AMD A10-9630p
- AMD A10-9630p Firmware
- AMD A12-9700p
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045 (vendor-advisory, Mitigation, Vendor Advisory)
- security.gentoo.org/glsa/202402-07
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-27672?
- CVE-2022-27672 is a medium-severity vulnerability in AMD 1st Gen Epyc™ Processors. CVSS score: 4.7/10. Published 2023-03-01.
- How severe is CVE-2022-27672?
- Medium severity. CVSS v3 base score is 4.7 out of 10.