| Description: | David Ford discovered that the IPv4 defragmentation routine did not correctly handle oversized packets. A remote attacker could send specially crafted traffic that would cause a system to crash, leading to a denial of service. Akira Fujita discovered that the Ext4 "move extents" ioctl did not correctly check permissions. A local attacker could exploit this to overwrite arbitrary files on the system, leading to root privilege escalation |