Bug 1763828 (CVE-2019-15922)

Summary:	CVE-2019-15922 kernel: null pointer dereference in drivers/block/paride/pf.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	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:	2020-02-24 16:49:04 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:	1763829
Bug Blocks:	1763830

Description Guilherme de Almeida Suckevicz 2019-10-21 17:18:01 UTC

An issue was discovered in the Linux kernel before 5.0.9. There is a NULL pointer dereference for a pf data structure if alloc_disk fails in drivers/block/paride/pf.c.

References:
https://github.com/torvalds/linux/commit/58ccd2d31e502c37e108b285bf3d343eb00c235b

Comment 1 Guilherme de Almeida Suckevicz 2019-10-21 17:18:27 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1763829]

Comment 2 Justin M. Forbes 2019-10-22 12:56:01 UTC

This was fixed for Fedora with the 5.0.9 stable kernel updates.