CVE-2022-27672

MEDIUM4.7

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 Feb 14, 2023

Modified 1 years ago

No fix available

Details

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.

References

WEBhttp://xenbits.xen.org/xsa/advisory-426.html WEBhttps://security.gentoo.org/glsa/202402-07 ADVISORYhttps://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2022-27672

CVSS Analysis

CVSS v3.1

4.7

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

HighAC:H

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

4.7/CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Ecosystems

Timeline

PublishedFeb 14, 2023

ModifiedAug 3, 2024