Bug 1383265 (IP6T_SO_SET_REPLACE)

Summary:	CVE-2016-4997 compat IP6T_SO_SET_REPLACE setsockopt
Product:	[Other] Security Response	Reporter:	Qian Zhang <zhangqian-c>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	unspecified	CC:	pmatouse, zhangqian-c
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	The IPv6 netfilter subsystem in the Linux kernel through 4.6.2 does not validate certain offset fields which allows local users to escalate privileges via an IP6T_SO_SET_REPLACE compat setsockopt call.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-10-10 11:01:51 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description Qian Zhang 2016-10-10 10:18:03 UTC

The IPv6 netfilter subsystem in the Linux kernel through 4.6.2 does not validate certain offset fields,
which allows local users to escalade privileges via an IP6T_SO_SET_REPLACE compat setsockopt call

The page
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4997
has updated their Description and References sections

Discussion on oss-sec:
http://www.openwall.com/lists/oss-security/2016/09/29/10

Comment 1 Petr Matousek 2016-10-10 11:01:51 UTC


*** This bug has been marked as a duplicate of bug 1349722 ***