{"id":10479,"date":"2016-09-20T04:34:15","date_gmt":"2016-09-19T19:34:15","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-3083-1-linux-kernel-vulnerabilities\/"},"modified":"2016-09-20T04:34:15","modified_gmt":"2016-09-19T19:34:15","slug":"usn-3083-1-linux-kernel-vulnerabilities","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-3083-1-linux-kernel-vulnerabilities\/","title":{"rendered":"USN-3083-1: Linux kernel vulnerabilities"},"content":{"rendered":"<p>USN-3083-1: Linux kernel vulnerabilities<\/p>\n<h2>Ubuntu Security Notice USN-3083-1<\/h2>\n<p><em>19th September, 2016<\/em><\/p>\n<h3>linux vulnerabilities<\/h3>\n<p>A security issue affects these releases of Ubuntu and its<br \/>\n    derivatives:<\/p>\n<ul>\n<li>Ubuntu 14.04 LTS<\/li>\n<\/ul>\n<h3>Summary<\/h3>\n<p>Several security issues were fixed in the kernel.\n<\/p>\n<h3>Software description<\/h3>\n<ul>\n<li>linux<br \/>\n    &#8211; Linux kernel<\/p>\n<\/li>\n<\/ul>\n<h3>Details<\/h3>\n<p>Dmitry Vyukov discovered that the IPv6 implementation in the Linux kernel<br \/>did not properly handle options data, including a use-after-free. A local<br \/>attacker could use this to cause a denial of service (system crash) or<br \/>possibly execute arbitrary code. (<a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2016-3841\">CVE-2016-3841<\/a>)<\/p>\n<p>It was discovered that a race condition existed when handling heartbeat-<br \/>timeout events in the SCTP implementation of the Linux kernel. A remote<br \/>attacker could use this to cause a denial of service. (<a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2015-8767\">CVE-2015-8767<\/a>)<\/p>\n<h3>Update instructions<\/h3>\n<p> The problem can be corrected by updating your system to the following<br \/>\npackage version:<\/p>\n<dl>\n<dt>Ubuntu 14.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\">linux-image-3.13.0-96-powerpc-smp<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\/3.13.0-96.143\">3.13.0-96.143<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\">linux-image-3.13.0-96-powerpc-e500mc<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\/3.13.0-96.143\">3.13.0-96.143<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\">linux-image-3.13.0-96-powerpc64-smp<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\/3.13.0-96.143\">3.13.0-96.143<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\">linux-image-3.13.0-96-generic<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\/3.13.0-96.143\">3.13.0-96.143<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\">linux-image-3.13.0-96-generic-lpae<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\/3.13.0-96.143\">3.13.0-96.143<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\">linux-image-3.13.0-96-powerpc-e500<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\/3.13.0-96.143\">3.13.0-96.143<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\">linux-image-3.13.0-96-powerpc64-emb<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\/3.13.0-96.143\">3.13.0-96.143<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\">linux-image-3.13.0-96-lowlatency<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux\/3.13.0-96.143\">3.13.0-96.143<\/a><br \/>\n    <\/span>\n  <\/dd>\n<\/dl>\n<p>To update your system, please follow these instructions:<br \/>\n<a href=\"https:\/\/wiki.ubuntu.com\/Security\/Upgrades\">https:\/\/wiki.ubuntu.com\/Security\/Upgrades<\/a>.\n<\/p>\n<p>After a standard system update you need to reboot your computer to make<br \/>all the necessary changes.<\/p>\n<p>ATTENTION: Due to an unavoidable ABI change the kernel updates have<br \/>been given a new version number, which requires you to recompile and<br \/>reinstall all third party kernel modules you might have installed.<br \/>Unless you manually uninstalled the standard kernel metapackages<br \/>(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,<br \/>linux-powerpc), a standard system upgrade will automatically perform<br \/>this as well.<\/p>\n<h3>References<\/h3>\n<p>        <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2015-8767\">CVE-2015-8767<\/a>, <\/p>\n<p>        <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2016-3841\">CVE-2016-3841<\/a><\/p>\n<p>Source: <a href=\"http:\/\/www.ubuntu.com\/usn\/usn-3083-1\/\" target=\"_blank\">USN-3083-1: Linux kernel vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-3083-1: Linux kernel vulnerabilities Ubuntu Security Notice USN-3083-1 19th September, 2016 linux 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 &#8211; Linux kernel Details Dmitry Vyukov discovered that the IPv6 implementation in the Linux kerneldid not properly handle options data, including a use-after-free. A localattacker could use this to cause a denial of service (system crash) orpossibly execute arbitrary code. (CVE-2016-3841) It was discovered that a race condition existed when handling heartbeat-timeout events in the SCTP implementation of the Linux kernel. A remoteattacker could use this to cause a denial of service. (CVE-2015-8767) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: linux-image-3.13.0-96-powerpc-smp 3.13.0-96.143 linux-image-3.13.0-96-powerpc-e500mc 3.13.0-96.143 linux-image-3.13.0-96-powerpc64-smp 3.13.0-96.143 linux-image-3.13.0-96-generic 3.13.0-96.143 linux-image-3.13.0-96-generic-lpae <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-3083-1-linux-kernel-vulnerabilities\/\" title=\"USN-3083-1: Linux kernel vulnerabilities\">[ more&#8230; ]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[586],"tags":[587],"class_list":["post-10479","post","type-post","status-publish","format-standard","hentry","category-ubuntu-usn","tag-ubuntu-usn"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/10479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/comments?post=10479"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/10479\/revisions"}],"predecessor-version":[{"id":10480,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/10479\/revisions\/10480"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=10479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=10479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=10479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}