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CVE-2016-2538

Published: 23 February 2016

Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain sensitive host memory information via a remote NDIS control message packet that is mishandled in the (1) rndis_query_response, (2) rndis_set_response, or (3) usb_net_handle_dataout function.

Priority

Low

Cvss 3 Severity Score

7.1

Score breakdown

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
trusty
Released (2.0.0+dfsg-2ubuntu1.24)
upstream Needed

vivid Ignored
(end of life, was needed)
wily
Released (1:2.3+dfsg-5ubuntu9.4)
xenial
Released (1:2.5+dfsg-5ubuntu10.1)
precise Does not exist

Patches:
upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=fe3c546c5ff2a6210f9a4d8561cc64051ca8603e
qemu-kvm
Launchpad, Ubuntu, Debian
precise
Released (1.0+noroms-0ubuntu14.28)
trusty Does not exist

upstream Needed

vivid Does not exist

wily Does not exist

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.1
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H