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Bug 591678 (CVE-2016-6888) - <app-emulation/qemu-2.7.0: net: vmxnet: integer overflow in packet initialisation (CVE-2016-6888)
Summary: <app-emulation/qemu-2.7.0: net: vmxnet: integer overflow in packet initialisa...
Status: RESOLVED FIXED
Alias: CVE-2016-6888
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor
Assignee: Gentoo Security
URL: http://www.openwall.com/lists/oss-sec...
Whiteboard: B3 [glsa cve]
Keywords:
Depends on: CVE-2016-7116
Blocks:
  Show dependency tree
 
Reported: 2016-08-19 11:54 UTC by Agostino Sarubbo
Modified: 2016-09-26 00:38 UTC (History)
1 user (show)

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Package list:
Runtime testing required: ---

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Description Agostino Sarubbo gentoo-dev 2016-08-19 11:54:53 UTC 
From ${URL} :

Quick Emulator(Qemu) built with the VMWARE VMXNET3 NIC device support, with 
network abstraction layer is vulnerable to an integer overflow issue. It could 
occur while initialisation of a new packets in the device.

A privileged user inside guest could use this flaw to crash the Qemu instance 
resulting in DoS.

Upstream patch:
---------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03176.html


@maintainer(s): after the bump, in case we need to stabilize the package, please let us know if it is ready for the stabilization or not.
Comment 2 Thomas Deutschmann (RETIRED) gentoo-dev 2016-08-21 13:59:10 UTC 
CVE was assigned: http://www.openwall.com/lists/oss-security/2016/08/19/10
Comment 3 Matthias Maier gentoo-dev 2016-09-05 05:56:22 UTC 
Fixed in at least version 2.7.0. Stabilization of 2.7.0 in #592430

commit 671df1de7a8611d59307ffcd448af451c15003ed
Author: Matthias Maier <tamiko@gentoo.org>
Date:   Sun Sep 4 23:25:32 2016 -0500

    app-emulation/qemu: version bump to 2.7.0, various security fixes
    
    3af9187fc6caaf415ab9c0c6d92c9678f65cb17f -> CVE-2016-4001, bug #579734
    3a15cc0e1ee7168db0782133d2607a6bfa422d66 -> CVE-2016-4002, bug #579734
    c98c6c105f66f05aa0b7c1d2a4a3f716450907ef -> CVE-2016-4439, bug #583496
    6c1fef6b59563cc415f21e03f81539ed4b33ad90 -> CVE-2016-4441, bug #583496
    06630554ccbdd25780aa03c3548aaff1eb56dffd ->              , bug #583952
    844864fbae66935951529408831c2f22367a57b6 -> CVE-2016-5337, bug #584094
    b60bdd1f1ee1616b7a9aeeffb4088e1ce2710fb2 ->              , bug #584102
    1b85898025c4cd95dce673d15e67e60e98e91731 ->              , bug #584146
    521360267876d3b6518b328051a2e56bca55bef8 -> CVE-2016-4453, bug #584514
    4e68a0ee17dad7b8d870df0081d4ab2e079016c2 -> CVE-2016-4454, bug #584514
    a6b3167fa0e825aebb5a7cd8b437b6d41584a196 -> CVE-2016-5126, bug #584630
    ff589551c8e8e9e95e211b9d8daafb4ed39f1aec -> CVE-2016-5338, bug #584918
    d3cdc49138c30be1d3c2f83d18f85d9fdee95f1a -> CVE-2016-5238, bug #584918
    1e7aed70144b4673fc26e73062064b6724795e5f ->              , bug #589924
    afd9096eb1882f23929f5b5c177898ed231bac66 -> CVE-2016-5403, bug #589928
    eb700029c7836798046191d62d595363d92c84d4 -> CVE-2016-6835, bug #591244
    ead315e43ea0c2ca3491209c6c8db8ce3f2bbe05 -> CVE-2016-6834, bug #591374
    6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8 -> CVE-2016-6833, bug #591380
    47882fa4975bf0b58dd74474329fdd7154e8f04c -> CVE-2016-6888, bug #591678
    
    805b5d98c649d26fc44d2d7755a97f18e62b438a
    56f101ecce0eafd09e2daf1c4eeb1377d6959261
    fff39a7ad09da07ef490de05c92c91f22f8002f2 ->              , bug #592430
    
    Package-Manager: portage-2.2.28
Comment 4 Yury German Gentoo Infrastructure gentoo-dev 2016-09-10 02:09:05 UTC 
Added to an existing GLSA Request.
Comment 5 GLSAMaker/CVETool Bot gentoo-dev 2016-09-26 00:38:37 UTC 
This issue was resolved and addressed in
 GLSA 201609-01 at https://security.gentoo.org/glsa/201609-01
by GLSA coordinator Yury German (BlueKnight).