Memory Leak Affecting qemu package, versions <1:2.8+dfsg-3


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.39% (31st percentile)

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  • Snyk IDSNYK-ECHOLATEST-QEMU-18321783
  • published27 Jul 2026
  • disclosed16 Mar 2017

Introduced: 16 Mar 2017

CVE-2017-5856  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Echo:latest qemu to version 1:2.8+dfsg-3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1