The vulnerabilities of the functions `lock_pages()` and `privcmd_ioctl_dm_op()` in the `drivers/xen/privcmd.c` module of the Linux kernel device driver framework allow a attacker to cause a service failure.

The vulnerabilities of the functions lockpages and privcmdioctldmop in the drivers/xen/privcmd.c module of the Linux kernel device driver for page buffer management are related to the use of pointers. Exploiting these vulnerabilities could allow a remote attacker to cause service interruptions...