{"id":"USN-3256-2","summary":"linux-hwe, linux-lts-trusty, linux-lts-xenial vulnerability","details":"USN-3256-1 fixed vulnerabilities in the Linux kernel for Ubuntu\n14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. This update provides\nthe corresponding updates for the Linux Hardware Enablement (HWE)\nkernel for each of the respective prior Ubuntu LTS releases.\n\nAndrey Konovalov discovered that the AF_PACKET implementation in the Linux\nkernel did not properly validate certain block-size data. A local attacker\ncould use this to cause a denial of service (system crash).\n","modified":"2026-02-10T04:41:06Z","published":"2017-04-05T04:08:27Z","related":["UBUNTU-CVE-2017-7308"],"upstream":["CVE-2017-7308","UBUNTU-CVE-2017-7308"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3256-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7308"}],"affected":[{"package":{"name":"linux-lts-xenial","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/linux-lts-xenial@4.4.0-72.93~14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-72.93~14.04.1"}]}],"versions":["4.4.0-13.29~14.04.1","4.4.0-14.30~14.04.2","4.4.0-15.31~14.04.1","4.4.0-18.34~14.04.1","4.4.0-21.37~14.04.1","4.4.0-22.39~14.04.1","4.4.0-22.40~14.04.1","4.4.0-24.43~14.04.1","4.4.0-28.47~14.04.1","4.4.0-31.50~14.04.1","4.4.0-34.53~14.04.1","4.4.0-36.55~14.04.1","4.4.0-38.57~14.04.1","4.4.0-42.62~14.04.1","4.4.0-45.66~14.04.1","4.4.0-47.68~14.04.1","4.4.0-51.72~14.04.1","4.4.0-53.74~14.04.1","4.4.0-57.78~14.04.1","4.4.0-59.80~14.04.1","4.4.0-62.83~14.04.1","4.4.0-63.84~14.04.2","4.4.0-64.85~14.04.1","4.4.0-66.87~14.04.1","4.4.0-67.88~14.04.1","4.4.0-70.91~14.04.1","4.4.0-71.92~14.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"block-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"block-modules-4.4.0-72-generic-lpae-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"block-modules-4.4.0-72-powerpc-e500mc-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"block-modules-4.4.0-72-powerpc-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"block-modules-4.4.0-72-powerpc64-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"crypto-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"crypto-modules-4.4.0-72-generic-lpae-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"crypto-modules-4.4.0-72-powerpc-e500mc-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"crypto-modules-4.4.0-72-powerpc-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"crypto-modules-4.4.0-72-powerpc64-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fat-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fat-modules-4.4.0-72-generic-lpae-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fat-modules-4.4.0-72-powerpc-e500mc-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fat-modules-4.4.0-72-powerpc-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fat-modules-4.4.0-72-powerpc64-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fb-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"firewire-core-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"firewire-core-modules-4.4.0-72-powerpc-e500mc-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"firewire-core-modules-4.4.0-72-powerpc-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"firewire-core-modules-4.4.0-72-powerpc64-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"floppy-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"floppy-modules-4.4.0-72-powerpc-e500mc-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"floppy-modules-4.4.0-72-powerpc-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"floppy-modules-4.4.0-72-powerpc64-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-core-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-core-modules-4.4.0-72-generic-lpae-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-core-modules-4.4.0-72-powerpc-e500mc-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-core-modules-4.4.0-72-powerpc-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-core-modules-4.4.0-72-powerpc64-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-secondary-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-secondary-modules-4.4.0-72-generic-lpae-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-secondary-modules-4.4.0-72-powerpc-e500mc-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-secondary-modules-4.4.0-72-powerpc-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"fs-secondary-modules-4.4.0-72-powerpc64-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"input-modules-4.4.0-72-generic-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"input-modules-4.4.0-72-generic-lpae-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"input-modules-4.4.0-72-powerpc-e500mc-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"input-modules-4.4.0-72-powerpc-smp-di","binary_version":"4.4.0-72.93~14.04.1"},{"binary_name":"input-modules-4.4.0-72-powerpc64-smp-di","binary_version":"4.4.0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