Bug 1712670 (CVE-2019-12155)

Summary:	CVE-2019-12155 QEMU: qxl: null pointer dereference while releasing spice resources
Product:	[Other] Security Response	Reporter:	Prasad Pandit <ppandit>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ailan, amit, areis, berrange, cfergeau, dbecker, drjones, dwmw2, imammedo, itamar, jen, jferlan, jforbes, jjoyce, jschluet, kbasil, knoel, lhh, lpeer, m.a.young, mburns, mkenneth, mrezanin, mst, pbonzini, rbalakri, ribarry, rjones, rkrcmar, robinlee.sysu, sclewis, slinaber, virt-maint, virt-maint, vkuznets, xen-maint
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-09-04 13:07:24 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:	1712703, 1712704, 1712705, 1712708, 1712709, 1712710, 1712711, 1712712, 1712713, 1712717, 1712727, 1712728, 1732337, 1732338
Bug Blocks:	1696613

Description Prasad Pandit 2019-05-22 05:36:14 UTC

A null pointer dereference issue was found the QXL VGA card emulator
of QEMU. It could occur while releasing resources allocated for a
SPICE server thread in interface_release_resources().

A guest user could use this flaw to crash the QEMU process resulting
in DoS scenario.

Upstream patch:
---------------
  -> https://git.qemu.org/?p=qemu.git;a=commit;h=d52680fc932efb8a2f334cc6993e705ed1e31e99

Reference:
----------
  -> https://www.openwall.com/lists/oss-security/2019/05/22/1

Comment 1 Prasad Pandit 2019-05-22 06:28:14 UTC

Acknowledgments:

Name: Sergej Schumilo (Ruhr University Bochum), Cornelius Aschermann (Ruhr University Bochum), Simon Wrner (Ruhr University Bochum)

Comment 4 Prasad Pandit 2019-05-22 07:02:53 UTC

Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1712727]

Comment 7 errata-xmlrpc 2019-09-03 17:42:03 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2607 https://access.redhat.com/errata/RHSA-2019:2607

Comment 8 Product Security DevOps Team 2019-09-04 13:07:24 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-2019-12155

Comment 9 errata-xmlrpc 2019-09-24 13:32:28 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2019:2892 https://access.redhat.com/errata/RHSA-2019:2892

Comment 10 errata-xmlrpc 2019-10-22 15:24:00 UTC

This issue has been addressed in the following products:

  Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
  Red Hat Virtualization Engine 4.3

Via RHSA-2019:3179 https://access.redhat.com/errata/RHSA-2019:3179

Comment 11 errata-xmlrpc 2019-11-05 20:39:29 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:3345 https://access.redhat.com/errata/RHSA-2019:3345

Comment 12 errata-xmlrpc 2019-11-06 15:20:04 UTC

This issue has been addressed in the following products:

  Red Hat OpenStack Platform 14.0 (Rocky)

Via RHSA-2019:3742 https://access.redhat.com/errata/RHSA-2019:3742

Comment 13 errata-xmlrpc 2019-11-07 13:45:55 UTC

This issue has been addressed in the following products:

  Red Hat OpenStack Platform 13.0 (Queens)

Via RHSA-2019:3787 https://access.redhat.com/errata/RHSA-2019:3787

Comment 16 errata-xmlrpc 2019-12-20 16:49:48 UTC

This issue has been addressed in the following products:

  Red Hat OpenStack Platform 10.0 (Newton)

Via RHSA-2019:4344 https://access.redhat.com/errata/RHSA-2019:4344

Comment 17 errata-xmlrpc 2020-03-31 14:34:39 UTC

This issue has been addressed in the following products:

  Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
  Red Hat Virtualization Engine 4.3

Via RHSA-2020:1216 https://access.redhat.com/errata/RHSA-2020:1216