Bug 2090243 (CVE-2022-21127) - CVE-2022-21127 hw: cpu: Incomplete cleanup in specific special register read operations (aka SRBDS update)
Summary: CVE-2022-21127 hw: cpu: Incomplete cleanup in specific special register read ...
Keywords:
Status: NEW
Alias: CVE-2022-21127
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2090258 2090260 2090261 2090259
Blocks: 2004886
TreeView+ depends on / blocked
 
Reported: 2022-05-25 12:42 UTC by Petr Matousek
Modified: 2022-06-14 19:19 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in hw. Incomplete cleanup in specific special register read operations for some Intel® Processors may allow an authenticated user to enable information disclosure via local access.
Clone Of:
Environment:
Last Closed:


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Description Petr Matousek 2022-05-25 12:42:59 UTC
Some processors do not properly clean up and remove temporary or supporting resources after they have been used.

References:

https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html


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