SUSE CVE-2015-6654

The xenmemaddtophysmapone function in arch/arm/mm.c in Xen 4.5.x, 4.4.x, and earlier does not limit the number of printk console messages when reporting a failure to retrieve a reference on a foreign page, which allows remote domains to cause a denial of service by leveraging permissions to map t...

Linux: special config may crash when trying to map foreign pages

ISSUE DESCRIPTION With CONFIGXENBALLOONMEMORYHOTPLUG disabled and CONFIGXENUNPOPULATEDALLOC enabled the Linux kernel will use guest physical addresses allocated via the ZONEDEVICE functionality for mapping foreign guest's pages. This will result in problems, as the p2m list will only cover the...