Bug 2270701 (CVE-2023-38575) - CVE-2023-38575 kernel: Local information disclosure in some Intel(R) processors
Summary: CVE-2023-38575 kernel: Local information disclosure in some Intel(R) processors
Keywords:
Status: NEW
Alias: CVE-2023-38575
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2270735
Blocks: 2270697
TreeView+ depends on / blocked
 
Reported: 2024-03-21 13:50 UTC by Marco Benatto
Modified: 2024-11-12 10:31 UTC (History)
51 users (show)

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

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2024:9401 0 None None None 2024-11-12 10:31:44 UTC

Description Marco Benatto 2024-03-21 13:50:17 UTC 
Non-transparent sharing of return predictor targets between contexts 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-00982.html
Comment 1 Marco Benatto 2024-03-21 15:27:34 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2270735]
Comment 4 Justin M. Forbes 2024-03-25 19:16:35 UTC 
"Intel is releasing a firmware update to mitigate this potential vulnerability."
And again, another microcode, not kernel.
Comment 8 errata-xmlrpc 2024-11-12 10:31:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9401 https://access.redhat.com/errata/RHSA-2024:9401
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