CVE-2012-3516

The GNTTABOPswapgrantref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service host crash and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hyperviso...

PT-2012-4780

Name of the Vulnerable Software and Affected Versions Xen versions 4.2 Citrix XenServer version 6.0.2 Description The issue allows local guest kernels or administrators to cause a denial of service, potentially leading to a host crash, and possibly gain privileges. This is achieved by crafting a...

CVE-2012-3516: Undefined Security Weakness

The GNTTABOPswapgrantref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service host crash and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hyperviso...

CVE-2012-4539

Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service infinite loop and hang or crash via invalid arguments to GNTTABOPgetstatusframes, aka "Grant table hypercall infinite loop DoS vulnerability."...

DEBIAN-CVE-2012-4539

Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service infinite loop and hang or crash via invalid arguments to GNTTABOPgetstatusframes, aka "Grant table hypercall infinite loop DoS vulnerability."...

grant table entry swaps have inadequate bounds checking

ISSUE DESCRIPTION The grant table hypercall's GNTTABOPswapgrantref sub-operation does not perform adequate checks on the input grant references. IMPACT A malicious guest kernel or administrator can crash the host. It may be possible for an attacker to swap a valid grant reference, which they...

SuSE 10 Security Update : Xen (ZYPP Patch Number 2155)

This update includes both bug fixes and security fixes for Xen. A summary of the fixes appears below: 151105 - Fix various 'leaks' of loopback devices w/ domUloader 162865 - Re-send all page tables when migrating to avoid oops 167145 - Add status messages during file backed disk creation 176369 -...