UBUNTU-CVE-2014-7156

Source
https://ubuntu.com/security/CVE-2014-7156
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-7156.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2014-7156
Related
Published
2014-10-02T14:55:00Z
Modified
2014-10-02T14:55:00Z
Summary
[none]
Details

The x86emulate function in arch/x86/x86emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.

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
4.4.0-0ubuntu5.2

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

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "libxen-4.4"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "libxen-dev"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "libxen-ocaml"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "libxen-ocaml-dev"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "libxenstore3.0"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-hypervisor-4.1-amd64"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-hypervisor-4.3-amd64"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-hypervisor-4.3-armhf"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-hypervisor-4.4-amd64"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-hypervisor-4.4-arm64"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-hypervisor-4.4-armhf"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-system-amd64"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-system-arm64"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-system-armhf"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-utils-4.4"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xen-utils-common"
        },
        {
            "binary_version": "4.4.0-0ubuntu5.2",
            "binary_name": "xenstore-utils"
        }
    ]
}