Description
The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service (crash) by mapping an arbitrary amount of guest memory.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://secunia.com/advisories/32088 ↗
- http://www.openwall.com/lists/oss-security/2008/05/21/9 ↗
- http://xenbits.xensource.com/xen-unstable.hg?rev/9044705960cb30cec385bdca7305bcf7db096721 ↗
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11189 ↗
- http://www.securitytracker.com/id?1020957 ↗
- http://lists.xensource.com/archives/html/xen-devel/2008-05/msg00421.html ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43362 ↗
- https://rhn.redhat.com/errata/RHSA-2008-0892.html ↗
- http://www.securityfocus.com/bid/30646 ↗