Bug 1760351 (CVE-2019-16232)

Summary:	CVE-2019-16232 kernel: null-pointer dereference in drivers/net/wireless/marvell/libertas/if_sdio.c
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
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, 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, rkeshri, 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:	A NULL pointer dereference flaw may occur in the Linux kernel’s drivers/net/wireless/marvell/libertas/if_sdio.c function, if the alloc_workqueue function return is not validated in time of failure. This flaw could allow an attacker to crash the system or leak kernel internal information.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-05-02 22:31:47 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:	1760352
Bug Blocks:	1760353

Description Dhananjay Arunesh 2019-10-10 11:21:35 UTC

A vulnerability was found in drivers/net/wireless/marvell/libertas/if_sdio.c in the Linux kernel does not check the alloc_workqueue return value, leading to a NULL pointer dereference.

Reference:
https://lkml.org/lkml/2019/9/9/487
https://security.netapp.com/advisory/ntap-20191004-0001/

Comment 1 Dhananjay Arunesh 2019-10-10 11:22:05 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1760352]

Comment 4 Rohit Keshri 2020-03-09 11:49:04 UTC

Mitigation:

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Comment 11 Rohit Keshri 2020-05-02 17:42:38 UTC

Statement:

There was no shipped kernel version were seen affected with this problem. These files are not built in our source code.

Comment 12 Product Security DevOps Team 2020-05-02 22:31:47 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-2019-16232