Description

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.

References

http://git.qemu-project.org/?p=qemu.git;a=commit;h=765a707000e838c30b18d712fe6cb3dd8e0435f3

http://www.openwall.com/lists/oss-security/2017/02/01/19

http://www.openwall.com/lists/oss-security/2017/02/02/14

http://www.securityfocus.com/bid/95999

https://bugzilla.redhat.com/show_bug.cgi?id=1418342

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://security.gentoo.org/glsa/201702-28

Details

Risk Information

CVSS v2

CVSS v3