{"id":243589,"date":"2026-07-08T19:01:19","date_gmt":"2026-07-08T19:01:19","guid":{"rendered":"https:\/\/ushopwell.com\/ublog\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\/"},"modified":"2026-07-08T19:01:19","modified_gmt":"2026-07-08T19:01:19","slug":"google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes","status":"publish","type":"post","link":"https:\/\/ushopwell.com\/ublog\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\/","title":{"rendered":"Google pays $250K for Linux vulnerability allowing guest VM escapes"},"content":{"rendered":"<div>\n<p>A Linux vulnerability that allows untrusted virtual machines to gain root access to host machines is one of two high-severity flaws to surface this week in the open source operating system.<\/p>\n<p>The vulnerability resides in KVM, which is, in essence, a virtual machine app included in the kernel of many Linux distributions. The vulnerability, tracked as CVE-2026-53359, allows guest virtual machines\u2014such as those used in cloud platforms to isolate one user\u2019s instance from the host OS and other user instances\u2014to break out of that container.<\/p>\n<h2>Januscape: A threat to cloud platforms<\/h2>\n<p>The vulnerability affects KVM running on both AMD and Intel processors. It exploits bugs residing in the KVM <a href=\"https:\/\/kb.i-doit.com\/en\/basics\/categories\/virtual-machine.html\">guest-side<\/a>, the portion of the VM that consists of only resources like the OS or drivers present in the guest VM, rather than resources present on the host machine. The threat went unnoticed in the Linux kernel for 16 years.<\/p>\n<p><a href=\"https:\/\/arstechnica.com\/security\/2026\/07\/high-severity-guest-vm-escape-is-1-of-2-linux-vulnerabilities-to-surface-this-week\/\">Read full article<\/a><\/p>\n<p><a href=\"https:\/\/arstechnica.com\/security\/2026\/07\/high-severity-guest-vm-escape-is-1-of-2-linux-vulnerabilities-to-surface-this-week\/#comments\">Comments<\/a><\/p>\n<\/div>\n<p class=\"wpematico_credit\"><small>Powered by <a href=\"http:\/\/www.wpematico.com\" target=\"_blank\">WPeMatico<\/a><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Linux vulnerability that allows untrusted virtual machines to gain root access to host machines is one of two high-severity flaws to surface this week in the open source operating system. The vulnerability resides in KVM, which is, in essence, a virtual machine app included in the kernel of many Linux distributions. The vulnerability, tracked as CVE-2026-53359, allows guest virtual machines\u2014such as those used in cloud platforms to isolate one&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","tve_updated_post":"","tve_custom_css":"","tve_user_custom_css":"","tve_globals":{},"tcb2_ready":0,"tcb_editor_enabled":0,"tve_landing_page":"","_tve_header":"","_tve_footer":""},"categories":[241],"tags":[],"class_list":["post-243589","post","type-post","status-publish","format-standard","hentry","category-technology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Google pays $250K for Linux vulnerability allowing guest VM escapes - UshopWell.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ushopwell.com\/ublog\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Google pays $250K for Linux vulnerability allowing guest VM escapes - UshopWell.com\" \/>\n<meta property=\"og:description\" content=\"A Linux vulnerability that allows untrusted virtual machines to gain root access to host machines is one of two high-severity flaws to surface this week in the open source operating system. The vulnerability resides in KVM, which is, in essence, a virtual machine app included in the kernel of many Linux distributions. The vulnerability, tracked as CVE-2026-53359, allows guest virtual machines\u2014such as those used in cloud platforms to isolate one...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ushopwell.com\/ublog\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\/\" \/>\n<meta property=\"og:site_name\" content=\"UshopWell.com\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-08T19:01:19+00:00\" \/>\n<meta name=\"author\" content=\"UShopWell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"UShopWell\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\\\/\"},\"author\":{\"name\":\"UShopWell\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#\\\/schema\\\/person\\\/6fd1f9e0ff932e534c86c70d5acff0fc\"},\"headline\":\"Google pays $250K for Linux vulnerability allowing guest VM escapes\",\"datePublished\":\"2026-07-08T19:01:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\\\/\"},\"wordCount\":169,\"publisher\":{\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/#organization\"},\"articleSection\":[\"Technology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\\\/\",\"url\":\"https:\\\/\\\/ushopwell.com\\\/ublog\\\/google-pays-250k-for-linux-vulnerability-allowing-guest-vm-escapes\\\/\",\"name\":\"Google pays $250K for Linux vulnerability allowing guest VM escapes - 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The vulnerability resides in KVM, which is, in essence, a virtual machine app included in the kernel of many Linux distributions. 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