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USN-3127-2: Linux kernel (Trusty HWE) vulnerabilities Ubuntu Security Notice USN-3127-2 11th November, 2016 linux-lts-trusty vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Several security issues were fixed in the kernel. Software description linux-lts-trusty – Linux hardware enablement kernel from Trusty for Precise Details USN-3127-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04LTS. This update provides the corresponding updates for the LinuxHardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu12.04 LTS. It was discovered that the compression handling code in the Advanced LinuxSound Architecture (ALSA) subsystem in the Linux kernel did not properlycheck for an integer overflow. A local attacker could use this to cause adenial of service (system crash). (CVE-2014-9904) Kirill A. Shutemov discovered that memory manager in the Linux kernel didnot properly handle anonymous pages. A local attacker could [ more… ]

USN-3128-1: Linux kernel vulnerability Ubuntu Security Notice USN-3128-1 11th November, 2016 linux vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary The system could be made to crash under certain conditions. Software description linux – Linux kernel Details Ondrej Kozina discovered that the keyring interface in the Linux kernelcontained a buffer overflow when displaying timeout events via the/proc/keys interface. A local attacker could use this to cause a denial ofservice (system crash). Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: linux-image-4.4.0-47-powerpc64-emb 4.4.0-47.68 linux-image-powerpc-e500mc 4.4.0.47.50 linux-image-4.4.0-47-lowlatency 4.4.0-47.68 linux-image-4.4.0-47-powerpc64-smp 4.4.0-47.68 linux-image-4.4.0-47-generic 4.4.0-47.68 linux-image-4.4.0-47-powerpc-smp 4.4.0-47.68 linux-image-powerpc-smp 4.4.0.47.50 linux-image-generic-lpae 4.4.0.47.50 linux-image-powerpc64-emb 4.4.0.47.50 linux-image-virtual 4.4.0.47.50 linux-image-4.4.0-47-generic-lpae 4.4.0-47.68 linux-image-generic 4.4.0.47.50 linux-image-lowlatency 4.4.0.47.50 linux-image-4.4.0-47-powerpc-e500mc 4.4.0-47.68 linux-image-powerpc64-smp 4.4.0.47.50 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard [ more… ]

USN-3128-2: Linux kernel (Xenial HWE) vulnerability Ubuntu Security Notice USN-3128-2 11th November, 2016 linux-lts-xenial vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary The system could be made to crash under certain conditions. Software description linux-lts-xenial – Linux hardware enablement kernel from Xenial for Trusty Details USN-3128-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04LTS. This update provides the corresponding updates for the LinuxHardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu14.04 LTS. Ondrej Kozina discovered that the keyring interface in the Linux kernelcontained a buffer overflow when displaying timeout events via the/proc/keys interface. A local attacker could use this to cause a denial ofservice (system crash). Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: linux-image-powerpc-smp-lts-xenial 4.4.0.47.34 linux-image-4.4.0-47-powerpc64-emb 4.4.0-47.68~14.04.1 linux-image-4.4.0-47-lowlatency [ more… ]

USN-3128-3: Linux kernel (Qualcomm Snapdragon) vulnerability Ubuntu Security Notice USN-3128-3 11th November, 2016 linux-snapdragon vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary The system could be made to crash under certain conditions. Software description linux-snapdragon – Linux kernel for Snapdragon Processors Details Ondrej Kozina discovered that the keyring interface in the Linux kernelcontained a buffer overflow when displaying timeout events via the/proc/keys interface. A local attacker could use this to cause a denial ofservice (system crash). Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: linux-image-snapdragon 4.4.0.1035.27 linux-image-4.4.0-1035-snapdragon 4.4.0-1035.39 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to reboot your computer to makeall the necessary changes. ATTENTION: Due to an unavoidable ABI change the [ more… ]

USN-3129-1: Linux kernel vulnerability Ubuntu Security Notice USN-3129-1 11th November, 2016 linux vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.10 Summary The system could be made to crash under certain conditions. Software description linux – Linux kernel Details Ondrej Kozina discovered that the keyring interface in the Linux kernelcontained a buffer overflow when displaying timeout events via the/proc/keys interface. A local attacker could use this to cause a denial ofservice (system crash). Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.10: linux-image-powerpc-smp 4.8.0.27.36 linux-image-powerpc-e500mc 4.8.0.27.36 linux-image-4.8.0-27-lowlatency 4.8.0-27.29 linux-image-generic 4.8.0.27.36 linux-image-generic-lpae 4.8.0.27.36 linux-image-4.8.0-27-generic-lpae 4.8.0-27.29 linux-image-powerpc64-emb 4.8.0.27.36 linux-image-4.8.0-27-powerpc64-emb 4.8.0-27.29 linux-image-powerpc64-smp 4.8.0.27.36 linux-image-4.8.0-27-generic 4.8.0-27.29 linux-image-4.8.0-27-powerpc-e500mc 4.8.0-27.29 linux-image-lowlatency 4.8.0.27.36 linux-image-virtual 4.8.0.27.36 linux-image-4.8.0-27-powerpc-smp 4.8.0-27.29 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need [ more… ]