Bug 2090237 (CVE-2022-21123)

Summary:	CVE-2022-21123 hw: cpu: incomplete clean-up of multi-core shared buffers (aka SBDR)
Product:	[Other] Security Response	Reporter:	Petr Matousek <pmatouse>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bhu, bskeggs, chwhite, crwood, ddepaula, debarbos, dhoward, dvlasenk, esyr, fhrbata, fpacheco, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jferlan, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jpoimboe, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, kyoshida, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, security-response-team, skozina, steved, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in hw. Incomplete cleanup of multi-core shared buffers for some Intel® Processors may allow an authenticated user to enable information disclosure via local access.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-14 12:18:36 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2090245, 2090246, 2090247, 2090248, 2090249, 2090251, 2090252, 2090253, 2090254, 2090256, 2090257, 2110368, 2110369, 2110370, 2110380, 2110381, 2110382, 2110383, 2110384, 2110385, 2110386, 2110387, 2110388, 2110389, 2110390, 2110391, 2110392, 2110393, 2110394, 2110395, 2110396, 2110397, 2110398, 2110400, 2110401, 2110402, 2110403
Bug Blocks:	2004886

Description Petr Matousek 2022-05-25 12:30:42 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

Comment 13 errata-xmlrpc 2022-08-09 11:50:00 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2022:5937 https://access.redhat.com/errata/RHSA-2022:5937

Comment 14 errata-xmlrpc 2022-08-09 11:52:48 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2022:5939 https://access.redhat.com/errata/RHSA-2022:5939

Comment 15 errata-xmlrpc 2022-09-13 09:40:22 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:6437 https://access.redhat.com/errata/RHSA-2022:6437

Comment 16 errata-xmlrpc 2022-09-13 09:45:33 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:6460 https://access.redhat.com/errata/RHSA-2022:6460

Comment 17 errata-xmlrpc 2022-10-11 12:31:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

Via RHSA-2022:6872 https://access.redhat.com/errata/RHSA-2022:6872

Comment 18 errata-xmlrpc 2022-10-18 08:05:40 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Extended Update Support

Via RHSA-2022:6991 https://access.redhat.com/errata/RHSA-2022:6991

Comment 19 errata-xmlrpc 2022-10-18 08:14:55 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Extended Update Support

Via RHSA-2022:6983 https://access.redhat.com/errata/RHSA-2022:6983

Comment 20 errata-xmlrpc 2022-11-01 14:17:12 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.2 Telecommunications Update Service

Via RHSA-2022:7279 https://access.redhat.com/errata/RHSA-2022:7279

Comment 21 errata-xmlrpc 2022-11-01 14:17:46 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Telecommunications Update Service

Via RHSA-2022:7280 https://access.redhat.com/errata/RHSA-2022:7280

Comment 22 errata-xmlrpc 2022-11-15 09:45:19 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:7933 https://access.redhat.com/errata/RHSA-2022:7933

Comment 23 errata-xmlrpc 2022-11-15 10:48:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:8267 https://access.redhat.com/errata/RHSA-2022:8267

Comment 24 errata-xmlrpc 2022-12-13 16:05:36 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2022:8973 https://access.redhat.com/errata/RHSA-2022:8973

Comment 25 errata-xmlrpc 2022-12-13 16:06:12 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2022:8974 https://access.redhat.com/errata/RHSA-2022:8974

Comment 26 Product Security DevOps Team 2022-12-14 12:18:33 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-21123