{"id":"USN-3221-2","summary":"linux-hwe vulnerability","details":"USN-3221-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.10.\nThis update provides the corresponding updates for the Linux Hardware\nEnablement (HWE) kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS.\n\nAlexander Popov discovered that the N_HDLC line discipline implementation\nin the Linux kernel contained a double-free vulnerability. A local attacker\ncould use this to cause a denial of service (system crash) or possibly gain\nadministrative privileges. (CVE-2017-2636)\n","modified":"2026-02-10T04:41:06Z","published":"2017-03-08T03:31:26Z","related":["UBUNTU-CVE-2017-2636"],"upstream":["CVE-2017-2636","UBUNTU-CVE-2017-2636"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3221-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-2636"}],"affected":[{"package":{"name":"linux-hwe","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/linux-hwe@4.8.0-41.44~16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-41.44~16.04.1"}]}],"versions":["4.8.0-36.36~16.04.1","4.8.0-39.42~16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"block-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"block-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"crypto-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"crypto-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"dasd-extra-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"dasd-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"fat-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"fat-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"fb-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"firewire-core-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"floppy-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"fs-core-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"fs-core-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"fs-secondary-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"fs-secondary-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"input-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"input-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"ipmi-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"ipmi-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"irda-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"irda-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"kernel-image-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"kernel-image-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-cloud-tools-4.8.0-41-generic"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-cloud-tools-4.8.0-41-lowlatency"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-headers-4.8.0-41"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-headers-4.8.0-41-generic"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-headers-4.8.0-41-generic-lpae"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-headers-4.8.0-41-lowlatency"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-hwe-cloud-tools-4.8.0-41"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-hwe-tools-4.8.0-41"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-hwe-udebs-generic"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-hwe-udebs-generic-lpae"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-image-4.8.0-41-generic"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-image-4.8.0-41-generic-lpae"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-image-4.8.0-41-lowlatency"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-image-extra-4.8.0-41-generic"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-source-4.8.0"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-tools-4.8.0-41-generic"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-tools-4.8.0-41-generic-lpae"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"linux-tools-4.8.0-41-lowlatency"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"md-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"md-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"message-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"mouse-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"mouse-modules-4.8.0-41-generic-lpae-di"},{"binary_version":"4.8.0-41.44~16.04.1","binary_name":"multipath-modules-4.8.0-41-generic-di"},{"binary_version":"4.8.0-41.44~16.04.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