Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) via a large number of Txattrcreate messages with the same fid number.
git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff55e94d23ae94c8628b0115320157c763eb3e06
www.openwall.com/lists/oss-security/2016/10/27/15
www.openwall.com/lists/oss-security/2016/10/30/6
www.securityfocus.com/bid/93962
lists.debian.org/debian-lts-announce/2018/11/msg00038.html
lists.gnu.org/archive/html/qemu-devel/2016-10/msg01861.html
security.gentoo.org/glsa/201611-11