Bug 1284008 (CVE-2015-8613)

Summary:	CVE-2015-8613 Qemu: scsi: stack based buffer overflow in megasas_ctrl_get_info
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abaron, apevec, areis, ayoung, carnil, chrisw, dallan, gkotton, jen, jschluet, knoel, lhh, lpeer, markmc, mkenneth, mrezanin, mst, osoukup, pbonzini, ppandit, rbryant, sclewis, security-response-team, slong, srevivo, tdecacqu
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	A stack buffer-overflow vulnerability has been discovered in the QEMU emulator built with SCSI MegaRAID SAS HBA emulation support. The flaw occurs when processing the SCSI controller's CTRL_GET_INFO command. A privileged guest user could exploit this flaw to crash the QEMU process instance (denial of service).	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 02:45:44 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:	1293304, 1293305
Bug Blocks:	1284010

Description Adam Mariš 2015-11-20 14:21:05 UTC

Qemu emulator built with the SCSI MegaRAID SAS HBA emulation support is vulnerable to a stack buffer overflow issue. It occurs while processing the SCSI controller's CTRL_GET_INFO command. A privileged guest user could use this flaw to crash the Qemu process instance resulting in DoS.

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg03737.html

Reference:
----------
  -> http://www.openwall.com/lists/oss-security/2015/12/22/1

Comment 3 Prasad Pandit 2015-12-21 11:37:21 UTC

Statement: 

This issue does not affect the versions of the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.

This issue does not affect the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6, and the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.

This issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 7.

This issue affects the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.

This has been rated as having Low security impact and is not currently
planned to be addressed in future updates. For additional information, refer
to the Red Hat Enterprise Linux Life Cycle:
https://access.redhat.com/support/policy/updates/errata/.

Comment 4 Prasad Pandit 2015-12-21 11:39:37 UTC

Created xen tracking bugs for this issue:

Affects: fedora-all [bug 1293305]

Comment 5 Prasad Pandit 2015-12-21 11:39:50 UTC

Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1293304]

Comment 6 Fedora Update System 2016-01-24 03:25:38 UTC

qemu-2.4.1-6.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 7 Fedora Update System 2016-02-02 00:51:56 UTC

qemu-2.3.1-11.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.

Comment 8 Fedora Update System 2016-03-19 21:22:29 UTC

xen-4.5.2-9.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.

Comment 9 Fedora Update System 2016-03-20 02:26:19 UTC

xen-4.5.2-9.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.