Bug 1426132 (CVE-2016-8405)

Summary:	CVE-2016-8405 kernel: Copying color maps to userspace vulnerable to heap-buffer overflow
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	agordeev, aquini, bhu, dhoward, esammons, fhrbata, gansalmon, iboverma, ichavero, itamar, jforbes, jkacur, jkastner, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, nmurray, pholasek, plougher, rt-maint, rvrbovsk, slawomir, vdronov, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An information disclosure vulnerability in Linux kernel could enable a local malicious application to access data outside of its permission levels. To exploit the flaw it is first required to compromise a privileged process.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-03-08 15:32:46 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:	1426135

Description Andrej Nemec 2017-02-23 09:28:28 UTC

An information disclosure vulnerability in kernel components including the ION subsystem, Binder, USB driver and networking subsystem could enable a local malicious application to access data outside of its permission levels.

Upstream patch:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dc705a9930b4806250fbf5a76e55266e59389f2

References:

https://source.android.com/security/bulletin/2016-12-01.html

https://marc.info/?i=20170105224249.GA50925%40beast

Comment 1 Justin M. Forbes 2017-02-23 14:29:19 UTC

For Fedora releases, this was fixed with the 4.9.7 stable kernel update.

Comment 4 Vladis Dronov 2017-03-08 15:32:46 UTC

Statement:

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.