Skip to content
CVE Tracker
Back

CVE-2012-3516

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…

Medium6.9EPSS 0.36%
Published
Updated
Reserved
Assigned by
redhat

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.

Scores

CVSS scores of CVE-2012-3516, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium6.9AV:L/AC:M/Au:N/C:C/I:C/A:C
EPSS (exploitation in 30 days)
0.36% · top 71% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.

Weakness

Affected products

  • n/a

    • affected n/a

References (7)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .