CVE-2013-1918: Buffer Overflow
First published: Mon May 13 2013(Updated: )
Certain page table manipulation operations in Xen 4.1.x, 4.2.x, and earlier are not preemptible, which allows local PV kernels to cause a denial of service via vectors related to "deep page table traversal."
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | =4.1.4 | |
| Xen xen-unstable | =4.1.5 | |
| Xen xen-unstable | =4.2.0 | |
| Xen xen-unstable | =4.2.1 | |
| Xen xen-unstable | =4.2.2 |
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.fedoraproject.org/pipermail/package-announce/2013-May/105533.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://secunia.com/advisories/53187
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2013/dsa-2666
- http://www.openwall.com/lists/oss-security/2013/05/02/8
- http://www.securityfocus.com/bid/59615
Frequently Asked Questions
What is the severity of CVE-2013-1918?
CVE-2013-1918 has a medium severity rating due to its potential for creating a denial of service vulnerability.
How do I fix CVE-2013-1918?
To fix CVE-2013-1918, you should upgrade to a later version of Xen that has addressed this vulnerability.
Which versions of Xen are affected by CVE-2013-1918?
CVE-2013-1918 affects Xen versions 4.1.x and 4.2.x, including all specific patches up to those versions.
Can CVE-2013-1918 be exploited remotely?
No, CVE-2013-1918 can only be exploited locally by privileged PV kernels.
What type of vulnerability is CVE-2013-1918?
CVE-2013-1918 is a denial of service vulnerability caused by non-preemptible page table manipulation operations.
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.1.0
- 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/4.1.4
- version/xen xen-unstable/4.1.5
- version/xen xen-unstable/4.2.0
- version/xen xen-unstable/4.2.1
- version/xen xen-unstable/4.2.2