Xen HVMOP_set_mem_access denial of service
|xen-hvmopsetmemaccess-dos (80481)||Medium Risk|
Xen is vulnerable to a denial of service, caused by an array indexing error in the HVMOP_set_mem_access operation handler. An attacker could exploit this vulnerability using unknown attack vectors to cause the application to crash.
Denial of Service
Refer to Xen Security Advisory 28 for patch, upgrade or suggested workaround information. See References.
For other distributions:
Apply the appropriate update for your system. See References.
- CTX135777: Citrix XenServer Multiple Security Updates.
- Xen Security Advisory 28: HVMOP_get_mem_access crash / HVMOP_set_mem_access information leak.
- BID-56799: Xen 'HVMOP_set_mem_access' Local Denial of Service Vulnerability
- CVE-2012-5512: Array index error in the HVMOP_set_mem_access handler in Xen 4.1 allows local HVM guest OS administrators to cause a denial of service (crash) or obtain sensitive information via unspecified vectors.
- OSVDB ID: 88132: Xen HVMOP_set_mem_access / _get_mem_access Operation Handling Array Index Local DoS / Information Disclosure
- SA51397: Xen Multiple Vulnerabilities
- SA51486: Citrix XenServer Multiple Vulnerabilities
- Citrix XenServer 5.0
- Citrix XenServer 5.5
- Citrix XenServer 5.6
- Citrix XenServer 6.0
- Citrix XenServer 6.1
- XenSource Xen 3.0
- XenSource Xen 4.1
- XenSource Xen 4.1.1
- XenSource Xen 4.1.2
Dec 03, 2012
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.