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.Referenceshttp://rhn.redhat.com/errata/RHSA-2016-1756.htmlhttp://www.ubuntu.com/usn/USN-3047-1http://rhn.redhat.com/errata/RHSA-2016-1655.htmlhttp://www.openwall.com/lists/oss-security/2016/05/30/6http://rhn.redhat.com/errata/RHSA-2016-1763.htmlhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlhttp://www.securityfocus.com/bid/90948http://rhn.redhat.com/errata/RHSA-2016-1653.htmlhttp://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=a6b3167fa0e825aebb5a7cd8b437b6d41584a196http://rhn.redhat.com/errata/RHSA-2016-1607.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1654.htmlhttps://security.gentoo.org/glsa/201609-01http://www.ubuntu.com/usn/USN-3047-2http://rhn.redhat.com/errata/RHSA-2016-1606.htmlhttp://www.openwall.com/lists/oss-security/2016/05/30/7https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1340924https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html