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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2012-11-23T20:00:00

Updated: 2024-08-06T20:05:12.797Z

Reserved: 2012-06-14T00:00:00

Link: CVE-2012-3516

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2012-11-23T20:55:03.650

Modified: 2024-11-21T01:41:02.460

Link: CVE-2012-3516

cve-icon Redhat

Severity : Important

Publid Date: 2012-09-05T00:00:00Z

Links: CVE-2012-3516 - Bugzilla