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CVE-2016-2198

Published: 29 January 2016

QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

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

trusty
Released (2.0.0+dfsg-2ubuntu1.22)
upstream Needed

vivid Ignored
(end of life)
wily
Released (1:2.3+dfsg-5ubuntu9.2)
Patches:
other: https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05899.html
qemu-kvm
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist

upstream Not vulnerable

vivid Does not exist

wily Does not exist

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H