{"id":40903,"date":"2021-03-16T15:51:28","date_gmt":"2021-03-16T06:51:28","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-4879-1-linux-kernel-vulnerabilities\/"},"modified":"2021-03-16T17:34:16","modified_gmt":"2021-03-16T08:34:16","slug":"usn-4879-1-linux-kernel-vulnerabilities","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-4879-1-linux-kernel-vulnerabilities\/","title":{"rendered":"USN-4879-1: Linux kernel vulnerabilities"},"content":{"rendered":"<p>USN-4879-1: Linux kernel vulnerabilities<\/p>\n<p>It was discovered that the Marvell WiFi-Ex device driver in the Linux<br \/>\nkernel did not properly validate ad-hoc SSIDs. A local attacker could use<br \/>\nthis to cause a denial of service (system crash) or possibly execute<br \/>\narbitrary code. (CVE-2020-36158)<\/p>\n<p>Loris Reiff discovered that the BPF implementation in the Linux kernel did<br \/>\nnot properly validate attributes in the getsockopt BPF hook. A local<br \/>\nattacker could possibly use this to cause a denial of service (system<br \/>\ncrash). (CVE-2021-20194)<br \/>\nSource: <a href=\"https:\/\/ubuntu.com\/security\/notices\/USN-4879-1\" target=\"_blank\" rel=\"noopener\">USN-4879-1: Linux kernel vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-4879-1: Linux kernel vulnerabilities It was discovered that the Marvell WiFi-Ex device driver in the Linux kernel did not properly validate ad-hoc SSIDs. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2020-36158) Loris Reiff discovered that the BPF implementation in the Linux kernel did not properly validate attributes in the getsockopt BPF hook. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2021-20194) Source: USN-4879-1: Linux kernel vulnerabilities<\/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-40903","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\/40903","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=40903"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/40903\/revisions"}],"predecessor-version":[{"id":40904,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/40903\/revisions\/40904"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=40903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=40903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=40903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}