USN-2947-2: Linux kernel (Wily HWE) vulnerabilities Ubuntu Security Notice USN-2947-2 6th April, 2016 linux-lts-wily 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-wily – Linux hardware enablement kernel from Wily for Trusty Details Ralf Spenneberg discovered that the usbvision driver in the Linux kerneldid not properly sanity check the interfaces and endpoints reported by thedevice. An attacker with physical access could cause a denial of service(system crash). (CVE-2015-7833) Venkatesh Pottem discovered a use-after-free vulnerability in the Linuxkernel's CXGB3 driver. A local attacker could use this to cause a denial ofservice (system crash) or possibly execute arbitrary code. (CVE-2015-8812) Xiaofei Rex Guo discovered a timing side channel vulnerability in the LinuxExtended Verification Module (EVM). An attacker could use this to affectsystem integrity. (CVE-2016-2085) [ more… ]