{"id":194352,"date":"2024-08-11T01:23:54","date_gmt":"2024-08-11T06:23:54","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/08\/new-amd-sinkclose-flaw-helps-install-nearly-undetectable-malware"},"modified":"2024-08-11T01:23:54","modified_gmt":"2024-08-11T06:23:54","slug":"new-amd-sinkclose-flaw-helps-install-nearly-undetectable-malware","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/08\/new-amd-sinkclose-flaw-helps-install-nearly-undetectable-malware","title":{"rendered":"New AMD SinkClose flaw helps install nearly undetectable malware"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-amd-sinkclose-flaw-helps-install-nearly-undetectable-malware2.jpg\"><\/a><\/p>\n<p>AMD is warning about a high-severity CPU vulnerability named SinkClose that impacts multiple generations of its EPYC, Ryzen, and Threadripper processors. The vulnerability allows attackers with Kernel-level (Ring 0) privileges to gain Ring-2 privileges and install malware that becomes nearly undetectable.<\/p>\n<p>Ring-2 is one of the highest privilege levels on a computer, running above Ring-1 (used for hypervisors and CPU virtualization) and Ring 0, which is the privilege level used by an operating system\u2019s Kernel.<\/p>\n<p>The Ring-2 privilege level is associated with modern CPUs\u2019 System Management Mode (SMM) feature. SMM handles power management, hardware control, security, and other low-level operations required for system stability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AMD is warning about a high-severity CPU vulnerability named SinkClose that impacts multiple generations of its EPYC, Ryzen, and Threadripper processors. The vulnerability allows attackers with Kernel-level (Ring 0) privileges to gain Ring-2 privileges and install malware that becomes nearly undetectable. Ring-2 is one of the highest privilege levels on a computer, running above Ring-1 [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-194352","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/194352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=194352"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/194352\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=194352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=194352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=194352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}