The vulnerabilities of the functions gntdev_map_grant_pages() and __unmap_grant_pages_done() in the driver/xen/gntdev.c file of the Linux kernel’s device driver for memory buffer devices allow a attacker to trigger a service failure.

The vulnerabilities of the functions gntdevmapgrantpages and unmapgrantpagesdone in the driver/xen/gntdev.c file of the Linux kernel device driver for memory buffer devices are related to a memory leak. Exploiting these vulnerabilities could allow an attacker to cause a system failure...