Bug 2244590 (CVE-2023-20592)

Summary:	CVE-2023-20592 hw: amd: INVD instruction may lead to a loss of SEV-ES guest machine memory integrity problem
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	esyr, jshortt, jstancek, nmurray, ptalbert, security-response-team, wmealing
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 some of AMD CPU's due to improper or unexpected behavior of the INVD. This issue may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU, potentially leading to a loss of guest virtual machine (VM) memory integrity.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2249668
Bug Blocks:	2241228

Description Rohit Keshri 2023-10-17 07:23:08 UTC

Improper or unexpected behavior of the INVD in some of AMD CPU's may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU, potentially leading to a loss of guest virtual machine (VM) memory integrity.

Reference:
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3005.html

Comment 3 Rohit Keshri 2023-11-14 17:44:16 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2249668]

Comment 6 errata-xmlrpc 2024-02-08 18:35:03 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2024:0753 https://access.redhat.com/errata/RHSA-2024:0753

Comment 7 errata-xmlrpc 2024-02-26 09:29:39 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.7 Advanced Update Support

Via RHSA-2024:0979 https://access.redhat.com/errata/RHSA-2024:0979

Comment 8 errata-xmlrpc 2024-02-26 09:37:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.6 Advanced Update Support

Via RHSA-2024:0978 https://access.redhat.com/errata/RHSA-2024:0978

Comment 9 errata-xmlrpc 2024-03-05 15:04:14 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:1112 https://access.redhat.com/errata/RHSA-2024:1112

Comment 10 errata-xmlrpc 2024-05-22 10:15:10 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:3178 https://access.redhat.com/errata/RHSA-2024:3178