Ubuntu security notices

USN-2931-1: Linux kernel (Utopic HWE) vulnerabilities
USN-2931-1: Linux kernel (Utopic HWE) vulnerabilities Ubuntu Security Notice USN-2931-1 14th March, 2016 linux-lts-utopic vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Several security issues were fixed in the kernel. Software description linux-lts-utopic – Linux hardware enablement kernel from Utopic for Trusty Details Ben Hawkes discovered that the Linux netfilter implementation did notcorrectly perform validation when handling IPT_SO_SET_REPLACE events. Alocal unprivileged attacker could use this to cause a denial of service(system crash) or possibly execute arbitrary code with administrativeprivileges. (CVE-2016-3134) It was discovered that the Linux kernel did not properly enforce rlimitsfor file descriptors sent over UNIX domain sockets. A local attacker coulduse this to cause a denial of service. (CVE-2013-4312) It was discovered that a race condition existed when handling heartbeat-timeout events in the SCTP implementation of the Linux kernel. A [ more… ]