Bug 1352558 (CVE-2016-6130)

Summary:	CVE-2016-6130 kernel: Race condition in sclp_ctl_ioctl_sccb function leads to information leak
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, arm-mgr, bhu, dhoward, esammons, fhrbata, gansalmon, iboverma, itamar, jforbes, jkacur, joelsmith, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, kstutsma, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, nmurray, pholasek, plougher, rt-maint, rvrbovsk, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Last Closed:	2016-07-04 12:54:42 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1352559
Bug Blocks:

Description Adam Mariš 2016-07-04 10:30:59 UTC

The sclp_ctl_ioctl_sccb function in drivers/s390/char/sclp_ctl.c in the Linux kernel before 4.6 allows local users to obtain sensitive information from kernel memory by changing a certain length value.

Upstream patch:

https://github.com/torvalds/linux/commit/532c34b5fbf1687df63b3fcd5b2846312ac943c6

Comment 1 Adam Mariš 2016-07-04 10:31:42 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1352559]

Comment 3 Fedora Update System 2016-07-19 22:19:20 UTC

kernel-4.6.4-201.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.