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...

USN-3169-2 linux-lts-xenial vulnerabilities

USN-3169-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not...