{"id":2843,"date":"2016-01-20T02:34:25","date_gmt":"2016-01-19T17:34:25","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-2872-3-linux-kernel-raspberry-pi-2-vulnerability\/"},"modified":"2016-01-20T02:34:25","modified_gmt":"2016-01-19T17:34:25","slug":"usn-2872-3-linux-kernel-raspberry-pi-2-vulnerability","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-2872-3-linux-kernel-raspberry-pi-2-vulnerability\/","title":{"rendered":"USN-2872-3: Linux kernel (Raspberry Pi 2) vulnerability"},"content":{"rendered":"<h2>Ubuntu Security Notice USN-2872-3<\/h2>\n<p><em>19th January, 2016<\/em><\/p>\n<h3>linux-raspi2 vulnerability<\/h3>\n<p>A security issue affects these releases of Ubuntu and its<br \/>\n    derivatives:<\/p>\n<ul>\n<li>Ubuntu 15.10<\/li>\n<\/ul>\n<h3>Summary<\/h3>\n<p>The system could be made to crash or run programs as an administrator.\n<\/p>\n<h3>Software description<\/h3>\n<ul>\n<li>linux-raspi2<br \/>\n    &#8211; Linux kernel for Raspberry Pi 2<\/p>\n<\/li>\n<\/ul>\n<h3>Details<\/h3>\n<p>Yevgeny Pats discovered that the session keyring implementation in the<br \/>Linux kernel did not properly reference count when joining an existing<br \/>session keyring. A local attacker could use this to cause a denial of<br \/>service (system crash) or possibly execute arbitrary code with<br \/>administrative privileges.<\/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 15.10:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux-raspi2\">linux-image-4.2.0-1020-raspi2<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux-raspi2\/4.2.0-1020.27\">4.2.0-1020.27<\/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-2016-0728\">CVE-2016-0728<\/a><\/p>\n<p>Source: ubuntu-usn<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Ubuntu Security Notice USN-2872-3 19th January, 2016 linux-raspi2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 15.10 Summary The system could be made to crash or run programs as an administrator. Software description linux-raspi2 &#8211; Linux kernel for Raspberry Pi 2 Details Yevgeny Pats discovered that the session keyring implementation in theLinux kernel did not properly reference count when joining an existingsession keyring. A local attacker could use this to cause a denial ofservice (system crash) or possibly execute arbitrary code withadministrative privileges. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 15.10: linux-image-4.2.0-1020-raspi2 4.2.0-1020.27 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 <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-2872-3-linux-kernel-raspberry-pi-2-vulnerability\/\" title=\"USN-2872-3: Linux kernel (Raspberry Pi 2) vulnerability\">[ 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-2843","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\/2843","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=2843"}],"version-history":[{"count":0,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/2843\/revisions"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=2843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=2843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=2843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}