Bug 1705915 (CVE-2019-5008)

Summary:	CVE-2019-5008 QEMU: NULL pointer dereference in hw/sparc64/sun4u.c leading to DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ailan, amit, areis, berrange, bmcclain, cfergeau, dbecker, drjones, dwmw2, imammedo, itamar, jen, jferlan, jforbes, jjoyce, jschluet, kbasil, knoel, lhh, lkundrak, lpeer, m.a.young, mburns, mkenneth, mrezanin, mst, pbonzini, ppandit, rbalakri, ribarry, rjones, rkrcmar, robinlee.sysu, sclewis, slinaber, virt-maint, virt-maint, vkuznets, xen-maint
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:	2019-06-10 10:54:57 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:	1705916, 1705917, 1725030
Bug Blocks:	1705918

Description Marian Rehak 2019-05-03 08:20:25 UTC

A NULL pointer dereference issue was found in the UltraSPARC PC-like (Sun4u)
machine emulator of QEMU. It could occur if a driver called mmio read function, allowing an attacker to cause a denial of service.

Upstream patch:
---------------
  -> https://git.qemu.org/?p=qemu.git;a=commitdiff;h=ad280559c68360c9f1cd7be063857853759e6a73

Reference:
----------
  -> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=927439

Comment 1 Marian Rehak 2019-05-03 08:20:45 UTC

Created qemu tracking bugs for this issue:

Affects: epel-7 [bug 1705917]
Affects: fedora-all [bug 1705916]

Comment 2 Prasad Pandit 2019-05-23 12:55:21 UTC

Acknowledgments:

Name: Fakhri Zulkifli

Comment 4 Marian Rehak 2019-06-28 09:45:51 UTC

Created xen tracking bugs for this issue:

Affects: fedora-all [bug 1725030]