Bug 957123 (CVE-2013-2015)

Summary:	CVE-2013-2015 Kernel: ext4: hang when mounting non-journal filesystems with orphan list
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:	agordeev, anton, bhu, davej, dhoward, esammons, fhrbata, fs-maint, gansalmon, iboverma, itamar, jforbes, jkacur, jonathan, jwboyer, kernel-maint, kernel-mgr, lgoncalv, lwang, madhu.chinakonda, mcressma, npajkovs, plougher, pmatouse, qguo, rt-maint, rvrbovsk, rwheeler, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-06-26 14:02:58 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:	957145, 957146, 957147, 957148, 957149, 957150
Bug Blocks:	904373

Description Prasad Pandit 2013-04-26 11:58:13 UTC

Linux kernel built with an Ext4 file system is vulnerable to a system hang
situation when [auto]mounting a non-journal filesystem with an orphan list
to clear.

A user could use this flaw to stall the system resulting in DoS.

Upstream fix:
-------------
 -> https://git.kernel.org/linus/0e9a9a1ad619e7e987815d20262d36a2f95717ca

Comment 1 Prasad Pandit 2013-04-26 12:58:28 UTC

Statement:

This issue does not affect the versions of the kernel package as shipped with
Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.

Comment 9 Prasad Pandit 2013-04-28 09:13:21 UTC

CVE-2013-2015 was assigned to this issue.
 -> http://www.openwall.com/lists/oss-security/2013/04/26/16