{"id":12866,"date":"2016-12-21T05:37:12","date_gmt":"2016-12-20T20:37:12","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-3159-2-linux-kernel-omap4-vulnerability\/"},"modified":"2016-12-21T05:37:12","modified_gmt":"2016-12-20T20:37:12","slug":"usn-3159-2-linux-kernel-omap4-vulnerability","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-3159-2-linux-kernel-omap4-vulnerability\/","title":{"rendered":"USN-3159-2: Linux kernel (OMAP4) vulnerability"},"content":{"rendered":"<p>USN-3159-2: Linux kernel (OMAP4) vulnerability<\/p>\n<h2>Ubuntu Security Notice USN-3159-2<\/h2>\n<p><em>20th December, 2016<\/em><\/p>\n<h3>linux-ti-omap4 vulnerability<\/h3>\n<p>A security issue affects these releases of Ubuntu and its<br \/>\n    derivatives:<\/p>\n<ul>\n<li>Ubuntu 12.04 LTS<\/li>\n<\/ul>\n<h3>Summary<\/h3>\n<p>The system could be made to expose sensitive information.\n<\/p>\n<h3>Software description<\/h3>\n<ul>\n<li>linux-ti-omap4<br \/>\n    &#8211; Linux kernel for OMAP4<\/p>\n<\/li>\n<\/ul>\n<h3>Details<\/h3>\n<p>It was discovered that a race condition existed in the procfs<br \/>environ_read function in the Linux kernel, leading to an integer<br \/>underflow. A local attacker could use this to expose sensitive<br \/>information (kernel memory).<\/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 12.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux-ti-omap4\">linux-image-3.2.0-1497-omap4<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux-ti-omap4\/3.2.0-1497.124\">3.2.0-1497.124<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux-ti-omap4\">linux-image-omap4<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/linux-ti-omap4\/3.2.0-1497.124\">3.2.0.1497.92<\/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-2016-7916\">CVE-2016-7916<\/a><\/p>\n<p>Source: <a href=\"http:\/\/www.ubuntu.com\/usn\/usn-3159-2\/\" target=\"_blank\">USN-3159-2: Linux kernel (OMAP4) vulnerability<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-3159-2: Linux kernel (OMAP4) vulnerability Ubuntu Security Notice USN-3159-2 20th December, 2016 linux-ti-omap4 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary The system could be made to expose sensitive information. Software description linux-ti-omap4 &#8211; Linux kernel for OMAP4 Details It was discovered that a race condition existed in the procfsenviron_read function in the Linux kernel, leading to an integerunderflow. A local attacker could use this to expose sensitiveinformation (kernel memory). Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: linux-image-3.2.0-1497-omap4 3.2.0-1497.124 linux-image-omap4 3.2.0.1497.92 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 kernel updates havebeen given a new <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-3159-2-linux-kernel-omap4-vulnerability\/\" title=\"USN-3159-2: Linux kernel (OMAP4) 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-12866","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\/12866","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=12866"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/12866\/revisions"}],"predecessor-version":[{"id":12867,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/12866\/revisions\/12867"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=12866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=12866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=12866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}