{"id":43361,"date":"2021-09-22T23:09:41","date_gmt":"2021-09-22T14:09:41","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-5086-1-linux-kernel-vulnerability\/"},"modified":"2021-09-22T23:34:25","modified_gmt":"2021-09-22T14:34:25","slug":"usn-5086-1-linux-kernel-vulnerability","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-5086-1-linux-kernel-vulnerability\/","title":{"rendered":"USN-5086-1: Linux kernel vulnerability"},"content":{"rendered":"<p>USN-5086-1: Linux kernel vulnerability<\/p>\n<p>Johan Almbladh discovered that the eBPF JIT implementation for IBM<br \/>\ns390x systems in the Linux kernel miscompiled operations in some<br \/>\nsituations, allowing circumvention of the BPF verifier. A local<br \/>\nattacker could use this to cause a denial of service (system crash)<br \/>\nor possibly execute arbitrary code.<br \/>\nSource: <a href=\"https:\/\/ubuntu.com\/security\/notices\/USN-5086-1\" target=\"_blank\" rel=\"noopener\">USN-5086-1: Linux kernel vulnerability<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-5086-1: Linux kernel vulnerability Johan Almbladh discovered that the eBPF JIT implementation for IBM s390x systems in the Linux kernel miscompiled operations in some situations, allowing circumvention of the BPF verifier. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Source: USN-5086-1: Linux kernel vulnerability<\/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-43361","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\/43361","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=43361"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/43361\/revisions"}],"predecessor-version":[{"id":43362,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/43361\/revisions\/43362"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=43361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=43361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=43361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}