Bug 924693 (CVE-2013-2636)

Summary:	CVE-2013-2636 kernel: Information leak in the Linux ethernet bridge component
Product:	[Other] Security Response	Reporter:	Jan Lieskovsky <jlieskov>
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, gansalmon, iboverma, itamar, jforbes, jkacur, jonathan, jwboyer, kernel-maint, kernel-mgr, lgoncalv, lwang, madhu.chinakonda, mcressma, npajkovs, plougher, pmatouse, rt-maint, rvrbovsk, 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:	2013-03-22 11:50:05 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:
Bug Blocks:	858947

Description Jan Lieskovsky 2013-03-22 10:50:52 UTC

Common Vulnerabilities and Exposures assigned an identifier CVE-2013-2636 to the following vulnerability:

net/bridge/br_mdb.c in the Linux kernel before 3.8.4 does not initialize certain structures, which allows local users to obtain sensitive information from kernel memory via a crafted application.

References:
[1] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2636
[2] http://www.openwall.com/lists/oss-security/2013/03/20/1
[3] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c085c49920b2f900ba716b4ca1c1a55ece9872cc
[4] http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
[5] https://bugzilla.redhat.com/show_bug.cgi?id=923652
[6] https://github.com/torvalds/linux/commit/c085c49920b2f900ba716b4ca1c1a55ece9872cc

Comment 1 Petr Matousek 2013-03-22 11:50:05 UTC

Statement:

Not vulnerable.

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