\u200bCybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root.
\nThe high-severity vulnerability tracked as CVE-2026-31431 (CVSS score: 7.8) has been codenamed Copy Fail by Xint.io and Theori.
\n“An unprivileged local user can write four controlled bytes into the page cache of any readable file on a Linux\u00a0Cybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root.
\nThe high-severity vulnerability tracked as CVE-2026-31431 (CVSS score: 7.8) has been codenamed Copy Fail by Xint.io and Theori.
\n“An unprivileged local user can write four controlled bytes into the page cache of any readable file on a Linux\u00a0\u00a0The Hacker News<\/p>","protected":false},"excerpt":{"rendered":"
\u200bCybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root. The high-severity vulnerability tracked as CVE-2026-31431 (CVSS score: 7.8) has been codenamed Copy Fail by Xint.io and Theori. “An unprivileged local user can write four controlled bytes into the page cache of… Read More »New Linux ‘Copy Fail’ Vulnerability Enables Root Access on Major Distributions<\/span><\/a><\/p>\n","protected":false},"author":0,"featured_media":7940,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/posts\/7939"}],"collection":[{"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/comments?post=7939"}],"version-history":[{"count":0,"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/posts\/7939\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/media\/7940"}],"wp:attachment":[{"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/media?parent=7939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/categories?post=7939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.cybertechworld.co.in\/index.php\/wp-json\/wp\/v2\/tags?post=7939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}