CVE-2017-5856

medium

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

Advisories
More

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

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

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

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

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

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

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=765a707000e838c30b18d712fe6cb3dd8e0435f3

Details

Source: Mitre, NVD

Published: 2017-03-16

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00143