CVE-2012-5514
First published: Thu Dec 13 2012(Updated: )
The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | <=4.2.0 | |
| Xen xen-unstable | =3.0.2 | |
| Xen xen-unstable | =3.0.3 | |
| Xen xen-unstable | =3.0.4 | |
| Xen xen-unstable | =3.1.3 | |
| Xen xen-unstable | =3.1.4 | |
| Xen xen-unstable | =3.2.0 | |
| Xen xen-unstable | =3.2.1 | |
| Xen xen-unstable | =3.2.2 | |
| Xen xen-unstable | =3.2.3 | |
| Xen xen-unstable | =3.3.0 | |
| Xen xen-unstable | =3.3.1 | |
| Xen xen-unstable | =3.3.2 | |
| Xen xen-unstable | =3.4.0 | |
| Xen xen-unstable | =3.4.1 | |
| Xen xen-unstable | =3.4.2 | |
| Xen xen-unstable | =3.4.3 | |
| Xen xen-unstable | =3.4.4 | |
| Xen xen-unstable | =4.0.0 | |
| Xen xen-unstable | =4.0.1 | |
| Xen xen-unstable | =4.0.2 | |
| Xen xen-unstable | =4.0.3 | |
| Xen xen-unstable | =4.0.4 | |
| Xen xen-unstable | =4.1.0 | |
| Xen xen-unstable | =4.1.1 | |
| Xen xen-unstable | =4.1.2 | |
| Xen xen-unstable | =4.1.3 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
- http://secunia.com/advisories/51397
- http://secunia.com/advisories/51468
- http://secunia.com/advisories/51486
- http://secunia.com/advisories/51487
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://support.citrix.com/article/CTX135777
- http://www.debian.org/security/2012/dsa-2582
- http://www.openwall.com/lists/oss-security/2012/12/03/12
- http://www.osvdb.org/88130
- http://www.securityfocus.com/bid/56803
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80483
Frequently Asked Questions
What is the severity of CVE-2012-5514?
CVE-2012-5514 has been assigned a medium severity level due to its potential to cause denial of service.
How do I fix CVE-2012-5514?
To mitigate CVE-2012-5514, upgrade to a newer version of Xen that addresses this vulnerability.
What versions of Xen are affected by CVE-2012-5514?
CVE-2012-5514 affects Xen versions up to and including 4.2 and several earlier versions such as 3.0.2 to 4.1.3.
What type of attack can leverage CVE-2012-5514?
CVE-2012-5514 can be exploited by local guest HVM administrators to cause a denial of service by hanging the system.
Is CVE-2012-5514 a local or remote vulnerability?
CVE-2012-5514 is a local vulnerability that requires access to the guest HVM environment to exploit.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/last-modified-date
- agent/references
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.2.0
- version/xen xen-unstable/3.0.2
- version/xen xen-unstable/3.0.3
- version/xen xen-unstable/3.0.4
- version/xen xen-unstable/3.1.3
- version/xen xen-unstable/3.1.4
- version/xen xen-unstable/3.2.0
- version/xen xen-unstable/3.2.1
- version/xen xen-unstable/3.2.2
- version/xen xen-unstable/3.2.3
- version/xen xen-unstable/3.3.0
- version/xen xen-unstable/3.3.1
- version/xen xen-unstable/3.3.2
- version/xen xen-unstable/3.4.0
- version/xen xen-unstable/3.4.1
- version/xen xen-unstable/3.4.2
- version/xen xen-unstable/3.4.3
- version/xen xen-unstable/3.4.4
- version/xen xen-unstable/4.0.0
- version/xen xen-unstable/4.0.1
- version/xen xen-unstable/4.0.2
- version/xen xen-unstable/4.0.3
- version/xen xen-unstable/4.0.4
- version/xen xen-unstable/4.1.0
- version/xen xen-unstable/4.1.1
- version/xen xen-unstable/4.1.2
- version/xen xen-unstable/4.1.3