UBUNTU-CVE-2014-7155

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Source

https://ubuntu.com/security/CVE-2014-7155

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-7155.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2014-7155

Related

CVE-2014-7155

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 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.

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"
        }
    ]
}