Bug 2107465 (CVE-2022-28693) - CVE-2022-28693 hw: cpu: Intel: information disclosure via local access
Summary: CVE-2022-28693 hw: cpu: Intel: information disclosure via local access
Keywords:
Status: NEW
Alias: CVE-2022-28693
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2108572 2108573 2108574 2108575 2108576 2108577 2108584
Blocks: 2058387
TreeView+ depends on / blocked
 
Reported: 2022-07-15 06:58 UTC by TEJ RATHI
Modified: 2026-05-04 08:34 UTC (History)
45 users (show)

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

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Description TEJ RATHI 2022-07-15 06:58:34 UTC 
Unprotected alternative channel of return branch target prediction in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00707.html
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/return-stack-buffer-underflow.html
Comment 3 Petr Matousek 2022-07-19 11:35:34 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2108584]
Comment 4 Wander 2022-07-28 14:28:40 UTC 
IIUC, this is a duplicate of BZ2090226.
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