Bug 2250460 (CVE-2023-31347) - CVE-2023-31347 kernel: Insufficient check may lead to an incorrect TSC
Summary: CVE-2023-31347 kernel: Insufficient check may lead to an incorrect TSC
Keywords:
Status: NEW
Alias: CVE-2023-31347
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2250465
Blocks: 2250459
TreeView+ depends on / blocked
 
Reported: 2023-11-18 19:00 UTC by Nick Tait
Modified: 2024-05-15 11:22 UTC (History)
51 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description Nick Tait 2023-11-18 19:00:43 UTC 
Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity
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