Bug 1749975 (CVE-2019-15222)

Summary:	CVE-2019-15222 kernel: Null pointer dereference in the sound/usb/helper.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, airlied, bdettelb, bhu, blc, brdeoliv, bskeggs, dhoward, dvlasenk, esammons, fhrbata, hdegoede, hkrzesin, iboverma, ichavero, itamar, jarodwilson, jeremy, jforbes, jglisse, jlelli, john.j5live, jonathan, josef, jross, jschorr, jshortt, jstancek, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, linville, masami256, matt, mchehab, mcressma, mjg59, mlangsdo, nmurray, plougher, rt-maint, rvrbovsk, steved, 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:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-03 05:51:51 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:	1749985
Bug Blocks:	1749986

Description Pedro Sampaio 2019-09-07 01:18:53 UTC

An issue was discovered in the Linux kernel before 5.2.8. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/helper.c (motu_microbookii) driver.

Upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d78e1c2b7f4be00bbe62141603a631dc7812f35

References:

https://syzkaller.appspot.com/bug?id=3ec1dad62657fef22282536d7532dbb65eee778a
http://www.openwall.com/lists/oss-security/2019/08/20/2

Comment 1 Pedro Sampaio 2019-09-07 02:32:42 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1749985]

Comment 2 Justin M. Forbes 2019-09-09 07:05:27 UTC

This was fixed for Fedora users with the 5.2.8 stable kernel updates.