UBUNTU-CVE-2016-7777

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Source

https://ubuntu.com/security/CVE-2016-7777

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7777.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-7777

Related

CVE-2016-7777

Published

2016-10-07T14:59:00Z

Modified

2016-10-07T14:59:00Z

Severity

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

Summary

[none]

Details

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.

References

Affected packages

Ubuntu:14.04:LTS / xen

Package

Name: xen
Purl: pkg:deb/ubuntu/xen?arch=src?distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.4.2-0ubuntu0.14.04.7

Affected versions

4.*

4.3.0-1ubuntu1

4.3.0-1ubuntu2

4.3.0-1ubuntu3

4.3.0-1ubuntu4

4.3.0-1ubuntu5

4.4.0-0ubuntu3

4.4.0-0ubuntu4

4.4.0-0ubuntu5

4.4.0-0ubuntu5.1

4.4.0-0ubuntu5.2

4.4.1-0ubuntu0.14.04.1

4.4.1-0ubuntu0.14.04.2

4.4.1-0ubuntu0.14.04.3

4.4.1-0ubuntu0.14.04.4

4.4.1-0ubuntu0.14.04.5

4.4.1-0ubuntu0.14.04.6

4.4.2-0ubuntu0.14.04.1

4.4.2-0ubuntu0.14.04.2

4.4.2-0ubuntu0.14.04.3

4.4.2-0ubuntu0.14.04.4

4.4.2-0ubuntu0.14.04.5

4.4.2-0ubuntu0.14.04.6

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "libxen-4.4"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "libxen-4.4-dbgsym"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "libxen-dev"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "libxen-ocaml"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "libxen-ocaml-dbgsym"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "libxen-ocaml-dev"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "libxenstore3.0"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "libxenstore3.0-dbgsym"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-hypervisor-4.1-amd64"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-hypervisor-4.3-amd64"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-hypervisor-4.3-armhf"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-hypervisor-4.4-amd64"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-hypervisor-4.4-arm64"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-hypervisor-4.4-armhf"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-system-amd64"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-system-arm64"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-system-armhf"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-utils-4.4"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-utils-4.4-dbgsym"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xen-utils-common"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xenstore-utils"
        },
        {
            "binary_version": "4.4.2-0ubuntu0.14.04.7",
            "binary_name": "xenstore-utils-dbgsym"
        }
    ]
}

Ubuntu:16.04:LTS / xen

Package

Name: xen
Purl: pkg:deb/ubuntu/xen?arch=src?distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.6.0-1ubuntu4.2

Affected versions

4.*

4.5.1-0ubuntu1

4.5.1-0ubuntu2

4.6.0-1ubuntu1

4.6.0-1ubuntu2

4.6.0-1ubuntu4

4.6.0-1ubuntu4.1

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "libxen-4.6"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "libxen-4.6-dbgsym"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "libxen-dev"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "libxenstore3.0"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "libxenstore3.0-dbgsym"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.4-amd64"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.4-arm64"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.4-armhf"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.5-amd64"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.5-arm64"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.5-armhf"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.6-amd64"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.6-arm64"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-hypervisor-4.6-armhf"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-system-amd64"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-system-arm64"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-system-armhf"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-utils-4.6"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-utils-4.6-dbgsym"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xen-utils-common"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xenstore-utils"
        },
        {
            "binary_version": "4.6.0-1ubuntu4.2",
            "binary_name": "xenstore-utils-dbgsym"
        }
    ]
}