The GNTTABOP_swap_grant_ref 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 hypervisor memory location.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
xen xen 4.2.0 |
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citrix xenserver |
Vulmon