Ubuntu Security Notice 2134-1 - Mathy Vanhoef discovered an error in the the way the ath9k driver was handling the BSSID masking. A remote attacker could exploit this error to discover the original MAC address after a spoofing attack. Andrew Honig reported an error in the Linux Kernel's Kernel Virtual Machine (KVM) VAPIC synchronization operation. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). Various other issues were also addressed.
5fe003a63ed1b5f56f85564ae5b00cd03137afef947104f6fa7a731194b9086c