Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption) via MegaRAID Firmware Interface (MFI) commands with the sglist size set to a value over 2 Gb.
git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=765a707000e838c30b18d712fe6cb3dd8e0435f3
www.openwall.com/lists/oss-security/2017/02/01/19
www.openwall.com/lists/oss-security/2017/02/02/14
www.securityfocus.com/bid/95999
bugzilla.redhat.com/show_bug.cgi?id=1418342
lists.debian.org/debian-lts-announce/2018/09/msg00007.html
security.gentoo.org/glsa/201702-28