SUSE CVE-2015-7311

libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image...

CVE-2013-2140

The dispatchdiscardio function in drivers/block/xen-blkback/blkback.c in the Xen blkback implementation in the Linux kernel before 3.10.5 allows guest OS users to cause a denial of service data loss via filesystem write operations on a read-only disk that supports the 1 BLKIFOPDISCARD aka discard...