{"id":136871,"date":"2022-03-15T00:03:15","date_gmt":"2022-03-15T07:03:15","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/03\/new-linux-bug-in-netfilter-firewall-module-lets-attackers-gain-root-access"},"modified":"2022-03-15T00:03:15","modified_gmt":"2022-03-15T07:03:15","slug":"new-linux-bug-in-netfilter-firewall-module-lets-attackers-gain-root-access","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/03\/new-linux-bug-in-netfilter-firewall-module-lets-attackers-gain-root-access","title":{"rendered":"New Linux Bug in Netfilter Firewall Module Lets Attackers Gain Root Access"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-linux-bug-in-netfilter-firewall-module-lets-attackers-gain-root-access.jpg\"><\/a><\/p>\n<p>A newly disclosed security flaw in the Linux kernel could be leveraged by a local adversary to gain elevated privileges on vulnerable systems to execute arbitrary code, escape containers, or induce a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Kernel_panic\" rel=\"noopener\" target=\"_blank\">kernel panic<\/a>.<\/p>\n<p>Tracked as <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2022-25636\" rel=\"noopener\" target=\"_blank\">CVE-2022\u201325636<\/a> (CVSS score: 7.8), the vulnerability impacts Linux kernel versions 5.4 through 5.6.10 and is a result of a heap out-of-bounds write in the netfilter subcomponent in the kernel. The issue was <a href=\"https:\/\/nickgregory.me\/linux\/security\/2022\/03\/12\/cve-2022-25636\/\" rel=\"noopener\" target=\"_blank\">discovered<\/a> by Nick Gregory, a senior threat researcher at Sophos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A newly disclosed security flaw in the Linux kernel could be leveraged by a local adversary to gain elevated privileges on vulnerable systems to execute arbitrary code, escape containers, or induce a kernel panic. Tracked as CVE-2022\u201325636 (CVSS score: 7.8), the vulnerability impacts Linux kernel versions 5.4 through 5.6.10 and is a result of a [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1492],"tags":[],"class_list":["post-136871","post","type-post","status-publish","format-standard","hentry","category-computing","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/136871","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=136871"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/136871\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=136871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=136871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=136871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}