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CVE-2016-6888

Published: 19 August 2016

Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.

Priority

Low

CVSS 3 base score: 4.4

Status

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

trusty
Released (2.0.0+dfsg-2ubuntu1.30)
upstream Needed

xenial
Released (1:2.5+dfsg-5ubuntu10.6)
yakkety
Released (1:2.6.1+dfsg-0ubuntu5.1)
qemu-kvm
Launchpad, Ubuntu, Debian
precise Not vulnerable
(code not present)
trusty Does not exist

upstream Needs triage

xenial Does not exist

yakkety Does not exist

Patches:
upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=47882fa4975bf0b58dd74474329fdd7154e8f04c (head)
upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=cb3677cd50dcb07e74d0113337e40e9e3e14d728 (2.6)