Bug 1783523 (CVE-2019-19531)

Summary:	CVE-2019-19531 kernel: use-after-free bug caused by a malicious USB device in the drivers/usb/misc/yurex.c driver leads to denial of service
Product:	[Other] Security Response	Reporter:	msiddiqu
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, airlied, bhu, blc, brdeoliv, bskeggs, dhoward, dvlasenk, esammons, fhrbata, hdegoede, hkrzesin, iboverma, ichavero, itamar, jarodwilson, jeremy, jforbes, jglisse, jlelli, john.j5live, jonathan, josef, jross, jshortt, jstancek, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, linville, masami256, matt, mchehab, mcressma, mjg59, mlangsdo, nmurray, qzhao, 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:	2020-01-06 02:09:26 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:	1783524
Bug Blocks:	1783525

Description msiddiqu 2019-12-13 21:13:35 UTC

In the Linux kernel, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/misc/yurex.c driver

Upstream Patch:
  
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc05481b2fcabaaeccf63e32ac1baab54e5b6963

References: 

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.9
http://www.openwall.com/lists/oss-security/2019/12/03/4

Comment 1 msiddiqu 2019-12-13 21:13:59 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1783524]

Comment 2 Justin M. Forbes 2019-12-16 17:11:30 UTC

This is fixed for Fedora with the 5.2.9 stable kernel update.

Comment 5 Product Security DevOps Team 2020-01-06 02:09:26 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-19531