MEDIUM
Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call.
http://git.qemu.org/?p=qemu.git;a=commit;h=a6b3167fa0e825aebb5a7cd8b437b6d41584a196
http://rhn.redhat.com/errata/RHSA-2016-1606.html
http://rhn.redhat.com/errata/RHSA-2016-1607.html
http://rhn.redhat.com/errata/RHSA-2016-1653.html
http://rhn.redhat.com/errata/RHSA-2016-1654.html
http://rhn.redhat.com/errata/RHSA-2016-1655.html
http://rhn.redhat.com/errata/RHSA-2016-1756.html
http://rhn.redhat.com/errata/RHSA-2016-1763.html
http://www.openwall.com/lists/oss-security/2016/05/30/6
http://www.openwall.com/lists/oss-security/2016/05/30/7
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.securityfocus.com/bid/90948
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
https://bugzilla.redhat.com/show_bug.cgi?id=1340924
https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html
Source: MITRE
Published: 2016-06-01
Updated: 2017-07-01
Type: CWE-119
Base Score: 4.6
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH