kernel: Use after free in array_map_alloc

Use after free vulnerability was found in percpu using previously allocated memory in bpf. First allocpercpugfp is called, then the memory is freed with freepercpu which triggers async pcpubalancework and then pcpuextendareamap could use a chunk after it has been freed...

kernel: Use after free in array_map_alloc

Use after free vulnerability was found in percpu using previously allocated memory in bpf. First allocpercpugfp is called, then the memory is freed with freepercpu which triggers async pcpubalancework and then pcpuextendareamap could use a chunk after it has been freed...

DEBIAN-CVE-2016-4794

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service BUG or possibly have unspecified other impact via crafted use of the mmap and bpf system calls...