CVEs-PoC/2015/CVE-2015-4163.md

CVE-2015-4163

Description

GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.

POC

Reference

No PoCs from references.

Github

• https://github.com/pigram86/cookbook-xs-maintenance