Bug 1288532 - (CVE-2016-1568) CVE-2016-1568 Qemu: ide: ahci use-after-free vulnerability in aio port commands
CVE-2016-1568 Qemu: ide: ahci use-after-free vulnerability in aio port commands
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
: ---
: ---
Assigned To: Red Hat Product Security
impact=important,public=20160108,repo...
: Security
Depends On: 1297023 1297024 1297290 1297291 1297292 1297293 1297296 1297297 1297299 1298395
Blocks: 1288546 1298460
  Show dependency treegraph
 
Reported: 2015-12-04 09:12 EST by Adam Mariš
Modified: 2016-04-26 11:23 EDT (History)
26 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A use-after-free flaw was found in the way QEMU's IDE AHCI emulator processed certain AHCI Native Command Queuing (NCQ) AIO commands. A privileged guest user could use this flaw to crash the QEMU process instance or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
Story Points: ---
Clone Of:
Environment:
Last Closed: 2016-01-28 15:33:14 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


Attachments (Terms of Use)

  None (edit)
Description Adam Mariš 2015-12-04 09:12:13 EST
Qemu emulator built with the IDE AHCI Emulation support is vulnerable to
a use  after free issue. It could occur after processing AHCI Native
Command Queuing(NCQ) AIO commands.

A privileged user inside guest could use this flaw to crash the Qemu process 
instance or potentially execute arbitrary code with privileges of the Qemu 
process on the host.

Upstream fix:
-------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg01184.html

Reference:
----------
  -> http://www.openwall.com/lists/oss-security/2016/01/09/2
Comment 2 Adam Mariš 2015-12-04 09:35:10 EST
Acknowledgments:

Red Hat would like to thank Qinghao Tang of Qihoo 360 Marvel Team for reporting this issue.
Comment 3 Prasad J Pandit 2016-01-08 13:45:33 EST
Statement: 

(none)
Comment 4 Prasad J Pandit 2016-01-08 13:51:10 EST
Created xen tracking bugs for this issue:

Affects: fedora-all [bug 1297024]
Comment 5 Prasad J Pandit 2016-01-08 13:51:25 EST
Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1297023]
Comment 12 Fedora Update System 2016-01-23 22:27:03 EST
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 13 errata-xmlrpc 2016-01-28 10:56:29 EST
This issue has been addressed in the following products:

  OpenStack 7 For RHEL 7

Via RHSA-2016:0088 https://rhn.redhat.com/errata/RHSA-2016-0088.html
Comment 14 errata-xmlrpc 2016-01-28 10:57:48 EST
This issue has been addressed in the following products:

  OpenStack 6 for RHEL 7

Via RHSA-2016:0087 https://rhn.redhat.com/errata/RHSA-2016-0087.html
Comment 15 errata-xmlrpc 2016-01-28 10:59:14 EST
This issue has been addressed in the following products:

  OpenStack 5 for RHEL 7

Via RHSA-2016:0086 https://rhn.redhat.com/errata/RHSA-2016-0086.html
Comment 16 errata-xmlrpc 2016-01-28 11:02:11 EST
This issue has been addressed in the following products:

  RHEV 3.6 For IBM Power Systems
  RHEV-H and Agents for RHEL-7

Via RHSA-2016:0084 https://rhn.redhat.com/errata/RHSA-2016-0084.html

Note You need to log in before you can comment on or make changes to this bug.