Bug 1429432 (CVE-2017-6505)

Summary:	CVE-2017-6505 Qemu: usb: an infinite loop issue in ohci_service_ed_list
Product:	[Other] Security Response	Reporter:	Prasad Pandit <ppandit>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ailan, amit, apevec, areis, ayoung, berrange, cfergeau, chrisw, cvsbot-xmlrpc, ddepaula, 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 03:08:24 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:	1429433, 1429434
Bug Blocks:	1425735

Description Prasad Pandit 2017-03-06 11:26:16 UTC

Quick Emulator built with the USB OHCI Emulation support is vulnerable to an
infinite loop issue. It could occur while processing an endpoint list
descriptor in ohci_service_ed_list().

A guest user/process could use this flaw to crash Qemu process resulting in DoS.

Upstream patch:
---------------
  -> http://git.qemu-project.org/?p=qemu.git;a=commitdiff;h=95ed56939eb2eaa4e2f349fe6dcd13ca4edfd8fb

Reference:
----------
  -> http://www.openwall.com/lists/oss-security/2017/03/06/6

Comment 1 Prasad Pandit 2017-03-06 11:26:50 UTC

Acknowledgments:

Name: Li Qiang (360.cn Inc.)

Comment 2 Prasad Pandit 2017-03-06 11:29:51 UTC

Created xen tracking bugs for this issue:

Affects: fedora-all [bug 1429433]

Comment 3 Prasad Pandit 2017-03-06 11:30:14 UTC

Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1429434]