Memory leak in hw/watchdog/wdt_i6300esb.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.
git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=eb7a20a3616085d46aa6b4b4224e15587ec67e6e
www.openwall.com/lists/oss-security/2017/01/20/14
www.openwall.com/lists/oss-security/2017/01/21/4
www.securityfocus.com/bid/95770
access.redhat.com/errata/RHSA-2017:2392
access.redhat.com/errata/RHSA-2017:2408
lists.debian.org/debian-lts-announce/2018/09/msg00007.html
security.gentoo.org/glsa/201702-28