USN-2911-1: Linux kernel vulnerability<\/p>\n
22nd February, 2016<\/em><\/p>\n A security issue affects these releases of Ubuntu and its The system could be made to crash under certain conditions.\n<\/p>\n It was discovered that the Linux kernel keyring subsystem contained a race The problem can be corrected by updating your system to the following To update your system, please follow these instructions: After a standard system update you need to reboot your computer to make ATTENTION: Due to an unavoidable ABI change the kernel updates have CVE-2015-7550<\/a><\/p>\n Source: USN-2911-1: Linux kernel vulnerability<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" USN-2911-1: Linux kernel vulnerability Ubuntu Security Notice USN-2911-1 22nd February, 2016 linux vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary The system could be made to crash under certain conditions. Software description linux – Linux kernel Details It was discovered that the Linux kernel keyring subsystem contained a racebetween read and revoke operations. A local attacker could use this tocause a denial of service (system crash). Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: linux-image-3.2.0-99-generic-pae 3.2.0-99.139 linux-image-3.2.0-99-powerpc64-smp 3.2.0-99.139 linux-image-3.2.0-99-generic 3.2.0-99.139 linux-image-3.2.0-99-virtual 3.2.0-99.139 linux-image-3.2.0-99-highbank 3.2.0-99.139 linux-image-3.2.0-99-powerpc-smp 3.2.0-99.139 linux-image-3.2.0-99-omap 3.2.0-99.139 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 [ more… ]<\/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-5914","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\/5914","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=5914"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/5914\/revisions"}],"predecessor-version":[{"id":5915,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/5914\/revisions\/5915"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=5914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=5914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=5914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}linux vulnerability<\/h3>\n
\n derivatives:<\/p>\n\n
Summary<\/h3>\n
Software description<\/h3>\n
\n
\n – Linux kernel<\/p>\n<\/li>\n<\/ul>\nDetails<\/h3>\n
between read and revoke operations. A local attacker could use this to
cause a denial of service (system crash).<\/p>\nUpdate instructions<\/h3>\n
\npackage version:<\/p>\n\n
\n
\n 3.2.0-99.139<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 3.2.0-99.139<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 3.2.0-99.139<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 3.2.0-99.139<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 3.2.0-99.139<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 3.2.0-99.139<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 3.2.0-99.139<\/a>
\n <\/span>\n <\/dd>\n<\/dl>\n
\nhttps:\/\/wiki.ubuntu.com\/Security\/Upgrades<\/a>.\n<\/p>\n
all the necessary changes.<\/p>\n
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.<\/p>\nReferences<\/h3>\n