Unrated severityNVD Advisory· Published Nov 23, 2012· Updated Apr 29, 2026
CVE-2012-3516
CVE-2012-3516
Description
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.
Affected products
2Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- support.citrix.com/article/CTX134708nvdPatchVendor Advisory
- secunia.com/advisories/50472nvdVendor Advisory
- secunia.com/advisories/50530nvdVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.htmlnvd
- wiki.xen.org/wiki/Security_Announcementsnvd
- www.openwall.com/lists/oss-security/2012/09/05/11nvd
- www.securityfocus.com/bid/55411nvd
News mentions
0No linked articles in our index yet.