kernel: Signed overflow for SO_{SND|RCV}BUFFORCE

A flaw was found in the Linux kernel's implementation of setsockopt for the SOSND|RCVBUFFORCE setsockopt system call. Users with non-namespace CAPNETADMIN are able to trigger this call and create a situation in which the sockets sendbuff data size could be negative. This could adversely affect...

DEBIAN-CVE-2016-9793

The socksetsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sksndbuf and skrcvbuf, which allows local users to cause a denial of service memory corruption and system crash or possibly have unspecified other impact by leveraging the CAPNETADMIN...