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GoogleOSV:CVE-2022-27672HistoryMar 01, 2023 - 8:15 a.m.
CVE-2022-27672
2023-03-0108:15:10
Google
osv.dev
10
smt mode switch
amd processors
speculative execution
information disclosure
CVSS3
4.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
5.8
Confidence
High
EPSS
0
Percentile
13.2%
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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CVSS3
4.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
5.8
Confidence
High
EPSS
0
Percentile
13.2%
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