Description
The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://xenbits.xen.org/xsa/advisory-179.html ↗
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html ↗
- http://rhn.redhat.com/errata/RHSA-2016-0999.html ↗
- http://www.securityfocus.com/bid/90316 ↗
- http://rhn.redhat.com/errata/RHSA-2016-0725.html ↗
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html ↗
- http://rhn.redhat.com/errata/RHSA-2016-1000.html ↗
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html ↗
- http://support.citrix.com/article/CTX212736 ↗
- http://rhn.redhat.com/errata/RHSA-2016-1002.html ↗
- http://rhn.redhat.com/errata/RHSA-2016-1001.html ↗
- http://rhn.redhat.com/errata/RHSA-2016-0997.html ↗
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164862 ↗
- http://www.securitytracker.com/id/1035794 ↗
- http://rhn.redhat.com/errata/RHSA-2016-1943.html ↗
- http://rhn.redhat.com/errata/RHSA-2016-1019.html ↗
- http://www.ubuntu.com/usn/USN-2974-1 ↗
- http://www.openwall.com/lists/oss-security/2016/05/09/3 ↗
- http://rhn.redhat.com/errata/RHSA-2016-0724.html ↗
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg01197.html ↗
- https://access.redhat.com/errata/RHSA-2016:1224 ↗
- http://www.debian.org/security/2016/dsa-3573 ↗