Ubuntu Security Notice 3126-1 - Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service. Dmitry Vyukov discovered a use-after-free vulnerability during error processing in the recvmmsg implementation in the Linux kernel. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed. Continue reading...
