Directory traversal vulnerability in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to access host files outside the export path via a … (dot dot) in an unspecified string.
git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=56f101ecce0eafd09e2daf1c4eeb1377d6959261
www.openwall.com/lists/oss-security/2016/08/30/1
www.openwall.com/lists/oss-security/2016/08/30/3
www.securityfocus.com/bid/92680
lists.debian.org/debian-lts-announce/2018/11/msg00038.html
lists.gnu.org/archive/html/qemu-devel/2016-08/msg03917.html
lists.gnu.org/archive/html/qemu-devel/2016-08/msg04231.html
security.gentoo.org/glsa/201609-01