CVE-2012-4535
First published: Wed Nov 21 2012(Updated: )
Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an "inappropriate deadline."
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | |
| Xen xen-unstable | =4.2.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- http://lists.xen.org/archives/html/xen-announce/2012-11/msg00001.html
- http://osvdb.org/87298
- http://rhn.redhat.com/errata/RHSA-2012-1540.html
- http://secunia.com/advisories/51200
- http://secunia.com/advisories/51324
- http://secunia.com/advisories/51352
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/51468
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2582
- http://www.openwall.com/lists/oss-security/2012/11/13/1
- http://www.securityfocus.com/bid/56498
- http://www.securitytracker.com/id?1027759
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80022
- https://security.gentoo.org/glsa/201604-03
Frequently Asked Questions
What is the severity of CVE-2012-4535?
CVE-2012-4535 is considered to be of medium severity due to its potential to cause denial of service.
How does CVE-2012-4535 affect systems?
CVE-2012-4535 allows local guest OS administrators to create an infinite loop leading to physical CPU resource consumption.
What versions are affected by CVE-2012-4535?
CVE-2012-4535 affects Xen versions from 3.4 through 4.2, with potential impact on earlier versions.
How do I fix CVE-2012-4535?
To fix CVE-2012-4535, it is recommended to upgrade to the latest version of Xen that resolves this vulnerability.
Who is at risk from CVE-2012-4535?
Local guest OS administrators are at risk from CVE-2012-4535 as they can exploit this vulnerability to cause denial of service.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/author
- agent/last-modified-date
- agent/weakness
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xen-unstable
- 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
- version/xen xen-unstable/4.2.0