v9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service (crash) because of a race condition during file renaming.
lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
www.openwall.com/lists/oss-security/2018/11/26/1
www.securityfocus.com/bid/106007
exchange.xforce.ibmcloud.com/vulnerabilities/153326
git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d20398694a3b67a388d955b7a945ba4aa90a8a8
lists.debian.org/debian-lts-announce/2019/01/msg00023.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
lists.gnu.org/archive/html/qemu-devel/2018-11/msg04489.html
seclists.org/bugtraq/2019/May/76
security-tracker.debian.org/tracker/CVE-2018-19489
usn.ubuntu.com/3923-1/
www.debian.org/security/2019/dsa-4454