Bug 922383 (CVE-2012-6546)

Summary:	CVE-2012-6546 Kernel: atm: information leak in getsockopt & getsockname
Product:	[Other] Security Response	Reporter:	Prasad Pandit <ppandit>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	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, 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:	2013-04-23 21:22:44 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:	922384, 922385, 922386, 922387
Bug Blocks:	858947

Description Prasad Pandit 2013-03-16 14:38:38 UTC

Linux kernel built with Asynchronous Transfer Mode(ATM) support is vulnerable
to an information leakage flaw. It occurs when doing getsockopt(SO_AMTPVC)
and getsockname() calls.

A user/program could use this flaw to leak kernel memory bytes.

Upstream fix:
-------------
 -> https://git.kernel.org/linus/3c0c5cfdcd4d69ffc4b9c0907cec99039f30a50a
 -> https://git.kernel.org/linus/e862f1a9b7df4e8196ebec45ac62295138aa3fc2

Reference:
----------
 -> http://www.openwall.com/lists/oss-security/2013/03/14/21

Comment 1 Prasad Pandit 2013-03-16 14:55:51 UTC

Statement:

This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise MRG 2.

This issue did affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.

Comment 3 errata-xmlrpc 2013-04-16 19:07:43 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2013:0747 https://rhn.redhat.com/errata/RHSA-2013-0747.html

Comment 4 errata-xmlrpc 2013-04-23 18:32:38 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2013:0744 https://rhn.redhat.com/errata/RHSA-2013-0744.html