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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Suse | — | Upgrade xen-libs-32bitUpgrade xen-kmp-defaultUpgrade xen-doc-pdfUpgrade xen-libsUpgrade xen-doc-htmlUpgrade xen-kmp-kdumpUpgrade xen-develUpgrade xen-kmp-debugUpgrade xenUpgrade xen-tools-domUUpgrade xen-toolsUpgrade xen-kmp-smpUpgrade xen-doc-psUpgrade xen-tools-ioemuUpgrade xen-kmp-bigsmp | Feb 17, 2015 | Nov 23, 2012 |
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