{"id":81156,"date":"2026-06-27T12:38:23","date_gmt":"2026-06-27T09:08:23","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-49413-flaw-in-linuxulator-execution-of-setugid-binaries\/"},"modified":"2026-06-27T12:38:23","modified_gmt":"2026-06-27T09:08:23","slug":"cve-2026-49413-flaw-in-linuxulator-execution-of-setugid-binaries","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-49413-flaw-in-linuxulator-execution-of-setugid-binaries\/","title":{"rendered":"CVE-2026-49413 &#8211; Flaw in Linuxulator execution of setugid binaries"},"content":{"rendered":"<p>CVE ID :CVE-2026-49413<\/p>\n<p>  Published : June 27, 2026, 9:08 a.m. | 37\u00a0minutes ago<\/p>\n<p>  Description :The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the P_SUGID process flag.  During execve(2), this flag is not yet set at the point where the auxiliary vector is constructed, so AT_SECURE was incorrectly set to zero for set-user-ID and set-group-ID executables.<\/p>\n<p>An unprivileged local user can inject a shared library via LD_PRELOAD into a set-user-ID or set-group-ID Linux binary, gaining the privileges of that binary.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-49413 Published : June 27, 2026, 9:08 a.m. | 37\u00a0minutes ago Description :The Linuxulator determined whether a binary was set-user-ID or set-group-ID by checking the P_SUGID process flag. During execve(2), this flag is not yet set at the point where the auxiliary vector is constructed, so AT_SECURE was incorrectly set to zero for &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-81156","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=81156"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81156\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}