Bug 915052 (CVE-2013-1763)

Summary:	CVE-2013-1763 kernel: sock_diag: out-of-bounds access to sock_diag_handlers[]
Product:	[Other] Security Response	Reporter:	Petr Matousek <pmatouse>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	agordeev, anton, bhu, davej, dhoward, fhrbata, gansalmon, iboverma, itamar, jforbes, jkacur, jneedle, jonathan, jwboyer, kernel-maint, kernel-mgr, lgoncalv, lwang, madhu.chinakonda, mcressma, npajkovs, plougher, rcvalle, rt-maint, rvrbovsk, sforsber, 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:	2013-08-24 12:37:26 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:	915055, 915056, 915057
Bug Blocks:	915059

Description Petr Matousek 2013-02-24 13:53:08 UTC

Description:
An unprivileged user can send a netlink message resulting in an out-of-bounds access of the sock_diag_handlers[] array which, in turn, allows userland to take over control while in kernel mode.

References:
http://seclists.org/oss-sec/2013/q1/420
http://thread.gmane.org/gmane.linux.network/260061

Upstream fix:
http://thread.gmane.org/gmane.linux.network/260061

Comment 2 Petr Matousek 2013-02-24 13:57:07 UTC

Created kernel tracking bugs for this issue

Affects: fedora-all [bug 915057]

Comment 4 Petr Matousek 2013-02-24 14:07:45 UTC

Statement:

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

This issue was addressed in Red Hat Enterprise MRG 2 via RHSA-2013:0622 https://rhn.redhat.com/errata/RHSA-2013-0622.html

Comment 6 Fedora Update System 2013-02-27 02:30:02 UTC

kernel-3.7.9-205.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 7 Fedora Update System 2013-03-02 20:02:45 UTC

kernel-3.7.9-104.fc17 has been pushed to the Fedora 17 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 8 errata-xmlrpc 2013-03-11 18:40:38 UTC

This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2013:0622 https://rhn.redhat.com/errata/RHSA-2013-0622.html

Comment 9 John Kacur 2013-06-12 13:44:00 UTC

The upstream sha1 is 6e601a53566d84e1ffd25e7b6fe0b6894ffd79c0