UBUNTU-CVE-2016-6836

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Source

https://ubuntu.com/security/CVE-2016-6836

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-6836.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-6836

Related

Published

2016-08-18T00:00:00Z

Modified

2025-01-13T10:21:15Z

Severity

6.0 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N CVSS Calculator
6.0 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N CVSS Calculator

Summary

[none]

Details

The vmxnet3completepacket function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host memory information by leveraging failure to initialize the txcq_descr object.

References

Affected packages

Ubuntu:14.04:LTS / qemu

Package

Name: qemu
Purl: pkg:deb/ubuntu/qemu@2.0.0+dfsg-2ubuntu1.30?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.0.0+dfsg-2ubuntu1.30

Affected versions

1.*

1.5.0+dfsg-3ubuntu5

1.5.0+dfsg-3ubuntu6

1.6.0+dfsg-2ubuntu1

1.6.0+dfsg-2ubuntu2

1.6.0+dfsg-2ubuntu3

1.6.0+dfsg-2ubuntu4

1.7.0+dfsg-2ubuntu1

1.7.0+dfsg-2ubuntu2

1.7.0+dfsg-2ubuntu3

1.7.0+dfsg-2ubuntu4

1.7.0+dfsg-2ubuntu5

1.7.0+dfsg-2ubuntu7

1.7.0+dfsg-2ubuntu8

1.7.0+dfsg-2ubuntu9

1.7.0+dfsg-3ubuntu1~ppa1

1.7.0+dfsg-3ubuntu1

1.7.0+dfsg-3ubuntu2

1.7.0+dfsg-3ubuntu3

1.7.0+dfsg-3ubuntu4

1.7.0+dfsg-3ubuntu5

1.7.0+dfsg-3ubuntu6

1.7.0+dfsg-3ubuntu7

2.*

2.0.0~rc1+dfsg-0ubuntu1

2.0.0~rc1+dfsg-0ubuntu2

2.0.0~rc1+dfsg-0ubuntu3

2.0.0~rc1+dfsg-0ubuntu3.1

2.0.0+dfsg-2ubuntu1

2.0.0+dfsg-2ubuntu1.1

2.0.0+dfsg-2ubuntu1.2

2.0.0+dfsg-2ubuntu1.3

2.0.0+dfsg-2ubuntu1.5

2.0.0+dfsg-2ubuntu1.6

2.0.0+dfsg-2ubuntu1.7

2.0.0+dfsg-2ubuntu1.8

2.0.0+dfsg-2ubuntu1.9

2.0.0+dfsg-2ubuntu1.10

2.0.0+dfsg-2ubuntu1.11

2.0.0+dfsg-2ubuntu1.13

2.0.0+dfsg-2ubuntu1.14

2.0.0+dfsg-2ubuntu1.15

2.0.0+dfsg-2ubuntu1.16

2.0.0+dfsg-2ubuntu1.17

2.0.0+dfsg-2ubuntu1.18

2.0.0+dfsg-2ubuntu1.19

2.0.0+dfsg-2ubuntu1.20

2.0.0+dfsg-2ubuntu1.21

2.0.0+dfsg-2ubuntu1.22

2.0.0+dfsg-2ubuntu1.24

2.0.0+dfsg-2ubuntu1.25

2.0.0+dfsg-2ubuntu1.26

2.0.0+dfsg-2ubuntu1.27

2.0.0+dfsg-2ubuntu1.28

2.0.0+dfsg-2ubuntu1.29

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "qemu",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-common",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-guest-agent-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-keymaps",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-kvm",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-aarch64",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-arm-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-common-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-mips-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-misc-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-ppc-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-sparc-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-system-x86-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-user-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-user-static",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-user-static-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        },
        {
            "binary_name": "qemu-utils-dbgsym",
            "binary_version": "2.0.0+dfsg-2ubuntu1.30"
        }
    ],
    "ubuntu_priority": "low",
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / qemu

Package

Name: qemu
Purl: pkg:deb/ubuntu/qemu@1:2.5+dfsg-5ubuntu10.6?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:2.5+dfsg-5ubuntu10.6

Affected versions

1:2.*

1:2.3+dfsg-5ubuntu9

1:2.3+dfsg-5ubuntu10

1:2.4+dfsg-4ubuntu1

1:2.4+dfsg-4ubuntu2

1:2.4+dfsg-4ubuntu3

1:2.4+dfsg-5ubuntu3

1:2.5+dfsg-1ubuntu2

1:2.5+dfsg-1ubuntu3

1:2.5+dfsg-1ubuntu4

1:2.5+dfsg-1ubuntu5

1:2.5+dfsg-5ubuntu1

1:2.5+dfsg-5ubuntu2

1:2.5+dfsg-5ubuntu4

1:2.5+dfsg-5ubuntu6

1:2.5+dfsg-5ubuntu7

1:2.5+dfsg-5ubuntu10

1:2.5+dfsg-5ubuntu10.1

1:2.5+dfsg-5ubuntu10.2

1:2.5+dfsg-5ubuntu10.3

1:2.5+dfsg-5ubuntu10.4

1:2.5+dfsg-5ubuntu10.5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "qemu",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-block-extra-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-guest-agent-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-kvm",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-aarch64",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-arm-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-common",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-common-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-mips-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-misc-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-ppc-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-s390x-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-sparc-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-system-x86-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-user",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-user-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-user-static",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-user-static-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-utils",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        },
        {
            "binary_name": "qemu-utils-dbgsym",
            "binary_version": "1:2.5+dfsg-5ubuntu10.6"
        }
    ],
    "ubuntu_priority": "low",
    "availability": "No subscription required"
}