Bug 1415795 (CVE-2017-5578)

Summary:	CVE-2017-5578 Qemu: display: virtio-gpu: host memory leakage in virtio_gpu_resource_attach_backing
Product:	[Other] Security Response	Reporter:	Prasad Pandit <ppandit>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ailan, amit.shah, apevec, areis, ayoung, berrange, cfergeau, chrisw, cvsbot-xmlrpc, drjones, dwmw2, imammedo, itamar, jen, jjoyce, jschluet, kbasil, knoel, lhh, lpeer, markmc, m.a.young, mkenneth, mrezanin, mst, pbonzini, rbryant, rjones, rkrcmar, sclewis, srevivo, tdecacqu, 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:	2019-06-08 03:06:00 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:	1415797
Bug Blocks:	1408139

Description Prasad Pandit 2017-01-23 18:17:17 UTC

Quick Emulator(Qemu) built with the Virtio GPU Device emulator support is
vulnerable to a memory leakage issue. It could occur while processing
'VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING' command.

A guest user/process could use this flaw to leak host memory resulting in DoS.

Upstream patch:
---------------
  -> https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg00151.html

Comment 1 Prasad Pandit 2017-01-23 18:17:51 UTC

Acknowledgments:

Name: Li Qiang (360.cn Inc.)

Comment 2 Prasad Pandit 2017-01-23 18:19:09 UTC

Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1415797]

Comment 3 Andrej Nemec 2017-01-25 12:43:30 UTC

CVE assignment:

http://seclists.org/oss-sec/2017/q1/185