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Status published
Medium
CVE-2022-27672
When SMT is enabled, certain AMD processors may speculatively execute...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
1st Gen AMD EPYC™ Processors, 2nd Gen AMD EPYC™ Processors, Athlon™ X4 Processor, Ryzen™ Threadripper™ PRO Processor, 2nd Gen AMD Ryzen™ Threadripper™ Processors, 3rd Gen AMD Ryzen™ Threadripper™ Processors, 7th Generation AMD A-Series APUs, Ryzen™ 2000 Series Processors, Ryzen™ 3000 Series Processors, Ryzen™ 4000 Series Processors, Ryzen™ 5000 Series Processors, Athlon™ Mobile Processors
Vulnerable Versions:
Contact your OS vendor
Timeline
Official Publish:
February 14th, 2023
Last Modified:
April 13th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.