{"id":239709,"date":"2026-05-05T10:47:00","date_gmt":"2026-05-05T14:47:00","guid":{"rendered":"https:\/\/news-you-need.com\/index.php\/2026\/05\/05\/this-critical-linux-vulnerability-is-putting-millions-of-systems-at-risk-how-to-protect-yours\/"},"modified":"2026-05-05T14:55:10","modified_gmt":"2026-05-05T18:55:10","slug":"this-critical-linux-vulnerability-is-putting-millions-of-systems-at-risk-how-to-protect-yours","status":"publish","type":"post","link":"https:\/\/news-you-need.com\/index.php\/2026\/05\/05\/this-critical-linux-vulnerability-is-putting-millions-of-systems-at-risk-how-to-protect-yours\/","title":{"rendered":"This critical Linux vulnerability is putting millions of systems at risk &#8211; how to protect yours"},"content":{"rendered":"<p><a href=\"https:\/\/www.zdnet.com\/article\/critical-copy-fail-vulnerability-affecting-linux-systems-how-to-mitigate\/\">This critical Linux vulnerability is putting millions of systems at risk &#8211; how to protect yours<\/a><\/p>\n<p><a href=\"https:\/\/www.zdnet.com\/article\/critical-copy-fail-vulnerability-affecting-linux-systems-how-to-mitigate\/\">https:\/\/www.zdnet.com\/article\/critical-copy-fail-vulnerability-affecting-linux-systems-how-to-mitigate\/<\/a><\/p>\n<p>Publish Date: <a href=\"publish_date]\">2026-05-05 10:47:00<\/a><\/p>\n<p>Source Domain: <a href=\"www.zdnet.com\">www.zdnet.com<\/a><\/p>\n<p>    <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Kerry Wan\/ZDNET<\/span><\/p>\n<p>Follow ZDNET: <span class=\"c-commerceLink\"><span>Add us as a preferred source<\/span><\/span> on Google.<\/p>\n<h3> ZDNET key takeaways <\/h3>\n<ul>\n<li>Copy Fail is a dangerous Linux vulnerability.<\/li>\n<li>This flaw makes gaining root access easy for attackers.<\/li>\n<li>Copy Fail affects millions of Linux systems.<\/li>\n<\/ul>\n<p>CVE-2026-31431, also known as Copy Fail, is a critical Linux kernel vulnerability that&#8217;s been hiding out since 2017 and is now getting the security spotlight it deserves.<\/p>\n<p><strong>Also: <\/strong><strong>This simple Linux tweak fixes crashes automatically &#8211; and it costs me nothing<\/strong><\/p>\n<p>Oftentimes, Linux vulnerabilities can be a bit overblown, but not in this case. Copy Fail is serious business and should be considered an issue that must be mitigated. <\/p>\n<h2> What is Copy Fail? <\/h2>\n<p>Let&#8217;s talk about Copy Fail in terms that anyone can understand. <\/p>\n<p>Imagine your computer&#8217;s memory as a chalkboard, where a teacher keeps track of your grades in real time. You don&#8217;t allow students to use either chalk or erasers, so they can&#8217;t change their grades. The &#8220;Copy Fail&#8221; vulnerability is like a sneaky student who somehow gains access to an eraser and chalk, and he changes just his grade while you&#8217;re not looking. <\/p>\n<p>Essentially, Copy Fail is a flaw in the Linux system responsible for handling the security of certain types of data. The flaw allows an attacker with basic access to a system to alter a crucial piece of data in the computer&#8217;s RAM. Once the change is made, the altered data can trick the system into thinking that the attacker is the root user, granting the attacker full control of the system. <\/p>\n<p><strong>Also: <\/strong><strong>6 reasons a minimal Linux install might be the smartest move you make<\/strong><\/p>\n<p>Think of it this way: A janitor takes the nameplate from the boss&#8217;s office and slaps it on the wall beside his closet so everyone thinks he is the boss. <\/p>\n<p>That&#8217;s Copy Fail. <\/p>\n<p>A difference between Copy Fail and other vulnerabilities that have hit Linux is that this one doesn&#8217;t require specific timing or certain events to happen in an exact order. It&#8217;s much easier, and its effects can be devastating. <\/p>\n<h2> A bit more detail <\/h2>\n<p>For those&#8230;<\/p>\n<p><a href=\"https:\/\/www.zdnet.com\/article\/critical-copy-fail-vulnerability-affecting-linux-systems-how-to-mitigate\/\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This critical Linux vulnerability is putting millions of systems at risk &#8211; how to protect&#8230;<\/p>\n","protected":false},"author":1,"featured_media":239712,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/www.zdnet.com\/a\/img\/resize\/db4efead752b2ca5cf594b29b902e921e3b7d51b\/2026\/05\/05\/0374eea1-7746-434d-9fdf-9d106774ff64\/this-critical-linux-vulnerability-is-putting-millions-of-systems-at-risk-how-to-protect-yours.jpg?auto=webp&fit=crop&height=675&width=1200","fifu_image_alt":"","footnotes":""},"categories":[48],"tags":[90,89,71,57,27],"class_list":["post-239709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","tag-cve","tag-flaw","tag-linux","tag-security","tag-vulnerability"],"_links":{"self":[{"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/posts\/239709"}],"collection":[{"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/comments?post=239709"}],"version-history":[{"count":1,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/posts\/239709\/revisions"}],"predecessor-version":[{"id":239713,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/posts\/239709\/revisions\/239713"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/media\/239712"}],"wp:attachment":[{"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/media?parent=239709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/categories?post=239709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/tags?post=239709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}