Bug 2061703 (CVE-2021-26341)

Summary:	CVE-2021-26341 hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch
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:	aarcange, acaringi, aquini, bhu, chwhite, crwood, dvlasenk, fweimer, hkrzesin, jarod, jburrell, jfaracco, jforbes, jlelli, joe.lawrence, jpoimboe, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, lgoncalv, llong, lzampier, mpolacek, mvanderw, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, security-response-team, vkadlcik, vkumar, walters, wcosta, 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. This issue can cause AMD CPUs to transiently execute beyond unconditional direct branches.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-16 18:37:00 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:	2062172, 2062173, 2062174, 2062175, 2062176, 2062177, 2062178, 2062179, 2062632, 2108721
Bug Blocks:	2053116

Description Petr Matousek 2022-03-08 11:13:06 UTC

AMD received notification of a potential security vulnerability in which a subset of AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.

Comment 31 errata-xmlrpc 2023-05-09 07:11:03 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2148 https://access.redhat.com/errata/RHSA-2023:2148

Comment 32 errata-xmlrpc 2023-05-09 07:49:54 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2458 https://access.redhat.com/errata/RHSA-2023:2458

Comment 33 errata-xmlrpc 2023-05-16 08:04:17 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2736 https://access.redhat.com/errata/RHSA-2023:2736

Comment 34 errata-xmlrpc 2023-05-16 08:33:08 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2951 https://access.redhat.com/errata/RHSA-2023:2951

Comment 35 Product Security DevOps Team 2023-05-16 18:36:56 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-2021-26341

Comment 38 errata-xmlrpc 2024-04-18 02:29:23 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:1877 https://access.redhat.com/errata/RHSA-2024:1877