UBUNTU-CVE-2016-9386

See a problem?
Source
https://ubuntu.com/security/notices/UBUNTU-CVE-2016-9386
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9386.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-9386
Related
Published
2017-01-23T21:59:00Z
Modified
2017-01-23T21:59:00Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving "unexpected" base/limit values.

References

Affected packages

Ubuntu:14.04:LTS / xen

Package

Name
xen
Purl
pkg:deb/ubuntu/xen@4.4.2-0ubuntu0.14.04.9?arch=src?distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.4.2-0ubuntu0.14.04.9

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
4.4.2-0ubuntu0.14.04.7

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "xenstore-utils-dbgsym": "4.4.2-0ubuntu0.14.04.9",
            "libxenstore3.0": "4.4.2-0ubuntu0.14.04.9",
            "libxen-4.4": "4.4.2-0ubuntu0.14.04.9",
            "libxenstore3.0-dbgsym": "4.4.2-0ubuntu0.14.04.9",
            "libxen-ocaml-dev": "4.4.2-0ubuntu0.14.04.9",
            "libxen-dev": "4.4.2-0ubuntu0.14.04.9",
            "xen-utils-4.4-dbgsym": "4.4.2-0ubuntu0.14.04.9",
            "xen-hypervisor-4.3-amd64": "4.4.2-0ubuntu0.14.04.9",
            "xen-hypervisor-4.3-armhf": "4.4.2-0ubuntu0.14.04.9",
            "xen-system-amd64": "4.4.2-0ubuntu0.14.04.9",
            "xen-hypervisor-4.4-arm64": "4.4.2-0ubuntu0.14.04.9",
            "libxen-ocaml": "4.4.2-0ubuntu0.14.04.9",
            "xenstore-utils": "4.4.2-0ubuntu0.14.04.9",
            "xen-system-armhf": "4.4.2-0ubuntu0.14.04.9",
            "xen-hypervisor-4.1-amd64": "4.4.2-0ubuntu0.14.04.9",
            "xen-hypervisor-4.4-armhf": "4.4.2-0ubuntu0.14.04.9",
            "xen-hypervisor-4.4-amd64": "4.4.2-0ubuntu0.14.04.9",
            "xen-utils-common": "4.4.2-0ubuntu0.14.04.9",
            "libxen-ocaml-dbgsym": "4.4.2-0ubuntu0.14.04.9",
            "xen-utils-4.4": "4.4.2-0ubuntu0.14.04.9",
            "libxen-4.4-dbgsym": "4.4.2-0ubuntu0.14.04.9",
            "xen-system-arm64": "4.4.2-0ubuntu0.14.04.9"
        }
    ]
}

Ubuntu:16.04:LTS / xen

Package

Name
xen
Purl
pkg:deb/ubuntu/xen@4.6.0-1ubuntu4.3?arch=src?distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.6.0-1ubuntu4.3

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
4.6.0-1ubuntu4.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "xen-hypervisor-4.6-armhf": "4.6.0-1ubuntu4.3",
            "libxenstore3.0": "4.6.0-1ubuntu4.3",
            "xenstore-utils-dbgsym": "4.6.0-1ubuntu4.3",
            "xen-hypervisor-4.5-armhf": "4.6.0-1ubuntu4.3",
            "libxenstore3.0-dbgsym": "4.6.0-1ubuntu4.3",
            "xen-hypervisor-4.5-amd64": "4.6.0-1ubuntu4.3",
            "xen-utils-4.6": "4.6.0-1ubuntu4.3",
            "libxen-dev": "4.6.0-1ubuntu4.3",
            "xen-system-amd64": "4.6.0-1ubuntu4.3",
            "xen-hypervisor-4.4-arm64": "4.6.0-1ubuntu4.3",
            "xenstore-utils": "4.6.0-1ubuntu4.3",
            "xen-system-armhf": "4.6.0-1ubuntu4.3",
            "xen-utils-common": "4.6.0-1ubuntu4.3",
            "libxen-4.6": "4.6.0-1ubuntu4.3",
            "xen-hypervisor-4.4-amd64": "4.6.0-1ubuntu4.3",
            "xen-hypervisor-4.6-amd64": "4.6.0-1ubuntu4.3",
            "xen-hypervisor-4.5-arm64": "4.6.0-1ubuntu4.3",
            "xen-utils-4.6-dbgsym": "4.6.0-1ubuntu4.3",
            "xen-hypervisor-4.4-armhf": "4.6.0-1ubuntu4.3",
            "xen-hypervisor-4.6-arm64": "4.6.0-1ubuntu4.3",
            "libxen-4.6-dbgsym": "4.6.0-1ubuntu4.3",
            "xen-system-arm64": "4.6.0-1ubuntu4.3"
        }
    ]
}