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CVE-2016-4952

Published: 30 May 2016

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.

Priority

Negligible

Cvss 3 Severity Score

6.0

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
precise Does not exist

trusty
Released (2.0.0+dfsg-2ubuntu1.26)
upstream Needs triage

wily Ignored
(end of life)
xenial
Released (1:2.5+dfsg-5ubuntu10.3)
Patches:
upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=3e831b40e015ba34dfb55ff11f767001839425ff
qemu-kvm
Launchpad, Ubuntu, Debian
precise Not vulnerable
(code not present)
trusty Does not exist

upstream Needs triage

wily Does not exist

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 6.0
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H