Bug 1416114 (CVE-2017-5549)

Summary:	CVE-2017-5549 kernel: Incorrect line-state error handling
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
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, mleitner, 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:	Bug Fix
Doc Text:	It was found that current implementation of kl5kusb105 driver failed to detect short transfers when attempting to read the line state and logged the content of the uninitialized heap transfer buffer.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-01-30 12:02:56 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:	1416128, 1417599
Bug Blocks:	1416137

Description Adam Mariš 2017-01-24 15:50:43 UTC

It was found that current implementation of kl5kusb105 driver failed to detect short transfers when attempting to read the line state and logged the content of the uninitialised heap transfer buffer.

Upstream patch:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410

CVE assignment:

http://seclists.org/oss-sec/2017/q1/161

Comment 1 Adam Mariš 2017-01-24 16:30:21 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1416128]

Comment 2 Justin M. Forbes 2017-01-24 17:49:56 UTC

This issue was fixed with the 4.9.5 stable release, currently available on all supported Fedora releases.

Comment 6 Vladis Dronov 2017-01-30 12:01:09 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/.