CVE-2022-27672

4.7 MEDIUM
Published: March 01, 2023 Modified: April 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045
Source: psirt@amd.com
Mitigation Vendor Advisory
http://xenbits.xen.org/xsa/advisory-426.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/202402-07
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045
Source: af854a3a-2127-422b-91ae-364da2661108
Mitigation Vendor Advisory

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.7 / 10.0
EPSS (Exploit Probability)
0.1%
31th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

amd