Bug 1273845

Summary:	kernel: Use after free in ep_remove_wait_queue
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	agordeev, aquini, bhu, carnil, dhoward, esammons, fhrbata, gansalmon, iboverma, itamar, jforbes, jkacur, joelsmith, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, kstutsma, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, mrg-program-list, nmurray, pholasek, plougher, rvrbovsk, slawomir, williams, wmealing
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	Bug Fix
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Last Closed:	2015-11-18 04:34:26 UTC	Type:	---
Regression:	---	Mount Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1273846

Description Adam Mariš 2015-10-21 11:44:31 UTC

A use-after-free vulnerability causing memory corruption was found in kernel.

Reproducer with report can be found here:

https://groups.google.com/forum/#!topic/syzkaller/3twDUI4Cpm8

Patch can be found here:

http://article.gmane.org/gmane.linux.kernel/2057498

Comment 1 Josh Boyer 2015-10-21 12:45:34 UTC

The patches don't compile and there's still on-going discussion on the correct solution.  I believe we're waiting for Jason to send a v5 of the series.