Bug 2297573 (CVE-2024-40989)

Summary:	CVE-2024-40989 kernel: KVM: arm64: Disassociate vcpus from redistributor region on teardown
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dfreiber, drow, jburrell, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 6.1.96, kernel 6.6.36, kernel 6.9.7, kernel 6.10-rc5	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the Linux kernel's KVM for ARM64 within the vgic-init.c, vgic-mmio-v3.c, and vgic.h files. The virtual vCPUs may retain dangling pointers in a redistributor region after they have been torn down, leading to potential memory corruption.	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:

Description OSIDB Bzimport 2024-07-12 13:47:21 UTC

In the Linux kernel, the following vulnerability has been resolved:

KVM: arm64: Disassociate vcpus from redistributor region on teardown

When tearing down a redistributor region, make sure we don't have
any dangling pointer to that region stored in a vcpu.

Comment 12 errata-xmlrpc 2024-09-24 00:39:17 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:7001 https://access.redhat.com/errata/RHSA-2024:7001

Comment 13 errata-xmlrpc 2024-09-24 02:34:35 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:7000 https://access.redhat.com/errata/RHSA-2024:7000

Comment 14 errata-xmlrpc 2024-11-12 09:36:21 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9315 https://access.redhat.com/errata/RHSA-2024:9315

Comment 15 errata-xmlrpc 2024-12-18 00:30:49 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2024:11313 https://access.redhat.com/errata/RHSA-2024:11313

Comment 16 errata-xmlrpc 2024-12-19 00:08:19 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:11483 https://access.redhat.com/errata/RHSA-2024:11483

Comment 17 errata-xmlrpc 2024-12-19 00:30:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:11482 https://access.redhat.com/errata/RHSA-2024:11482