{"id":44289,"date":"2025-05-25T11:35:39","date_gmt":"2025-05-25T11:35:39","guid":{"rendered":""},"modified":"2025-09-07T11:37:55","modified_gmt":"2025-09-07T17:37:55","slug":"cve-2024-52880-critical-vulnerability-in-insyde-insydeh2o-kernels-potentially-leading-to-system-compromise","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-52880-critical-vulnerability-in-insyde-insydeh2o-kernels-potentially-leading-to-system-compromise\/","title":{"rendered":"<strong>CVE-2024-52880: Critical Vulnerability in Insyde InsydeH2O Kernels Potentially Leading to System Compromise<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the ever-evolving world of cybersecurity, vulnerabilities are discovered and patched on a daily basis. One such vulnerability has been identified in the Insyde InsydeH2O kernels, affecting multiple versions. This vulnerability, tagged as CVE-2024-52880, is a serious security flaw that exposes <a href=\"https:\/\/www.ameeba.com\/blog\/global-honeypot-creation-exploits-cisco-flaw-unmasking-the-vicioustrap-attack\/\"  data-wpil-monitor-id=\"50982\">systems to potential<\/a> compromise and data leakage if exploited.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41075-high-risk-type-confusion-vulnerability-allowing-arbitrary-code-execution-with-kernel-privileges\/\"  data-wpil-monitor-id=\"51557\">vulnerability affects a broad range of Insyde InsydeH2O kernels<\/a>, making it a significant concern for users and administrators of these systems. It is <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42999-critical-vulnerability-in-sap-netweaver-visual-composer-metadata-uploader\/\"  data-wpil-monitor-id=\"49676\">critical to understand the nature of this vulnerability<\/a>, its potential impact, and how to effectively mitigate it to protect sensitive data and maintain system integrity.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-52880<br \/>\nSeverity: High (CVSS Score: 7.9)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4759-incorrect-behavior-order-in-lockfile-lint-api-package-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"51138\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4235346077\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>Insyde InsydeH2O kernel 5.2 | Before 05.29.50<br \/>\nInsyde InsydeH2O kernel 5.3 | Before 05.38.50<br \/>\nInsyde InsydeH2O kernel 5.4 | Before 05.46.50<br \/>\nInsyde InsydeH2O kernel 5.5 | Before 05.54.50<br \/>\nInsyde InsydeH2O kernel 5.6 | Before 05.61.50<br \/>\nInsyde InsydeH2O kernel 5.7 | Before 05.70.50<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20003-escalation-of-privilege-vulnerability-in-intel-r-graphics-driver-software\/\"  data-wpil-monitor-id=\"50291\">vulnerability lies in the VariableRuntimeDxe driver<\/a> of the Insyde InsydeH2O kernel. The driver uses <a href=\"https:\/\/www.ameeba.com\/blog\/dell-enhances-cybersecurity-with-new-features-across-powerstore-data-domain-and-powerscale-products\/\"  data-wpil-monitor-id=\"49699\">DataSize<\/a> and VariableNameSize to determine if the data or name are in the buffer. However, these values are supplied by the caller, making them untrustworthy.<br \/>\nAn attacker could exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42136-arbitrary-command-execution-vulnerability-in-pax-android-pos-devices\/\"  data-wpil-monitor-id=\"51803\">vulnerability by manipulating the DataSize and VariableNameSize values to execute<\/a> malicious code or gain unauthorized access to data. This could compromise the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4809-critical-vulnerability-in-tenda-ac7-router-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"50572\">system or lead<\/a> to data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3717480093\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Below is a conceptual example of how this vulnerability might be exploited. In this pseudocode, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3090-unauthenticated-remote-attack-leading-to-potential-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"79921\">attacker manipulates the DataSize<\/a> and VariableNameSize values:<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;insydeh2o.h&gt;\nvoid exploit() {\nuint32_t dataSize = 0xFFFFFFFF; \/\/ Manipulated size\nuint32_t variableNameSize = 0xFFFFFFFF; \/\/ Manipulated size\n\/\/ Request data with manipulated sizes\nInsydeH2O_GetVariable(variableName, &amp;variableNameSize, NULL, &amp;dataSize, data);\n}<\/code><\/pre>\n<p>This example is purely illustrative and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47884-jenkins-openid-connect-provider-plugin-vulnerability-leading-to-unauthorized-access\/\"  data-wpil-monitor-id=\"49988\">provides a basic understanding of how the vulnerability<\/a> might be exploited. It&#8217;s important to note that real-world <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"79920\">exploits would be far more complex and potentially<\/a> devastating.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users and administrators are advised to apply the vendor patch as soon as possible. If a patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer temporary mitigation. Regularly updating and patching your <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-22190-critical-gitpython-vulnerability-exposes-windows-systems-to-potential-compromise\/\"  data-wpil-monitor-id=\"51313\">systems is the best defense against such vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the ever-evolving world of cybersecurity, vulnerabilities are discovered and patched on a daily basis. One such vulnerability has been identified in the Insyde InsydeH2O kernels, affecting multiple versions. This vulnerability, tagged as CVE-2024-52880, is a serious security flaw that exposes systems to potential compromise and data leakage if exploited. This vulnerability affects a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[88],"product":[95],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-44289","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux","product-linux-kernel"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=44289"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44289\/revisions"}],"predecessor-version":[{"id":72355,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44289\/revisions\/72355"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=44289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=44289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=44289"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=44289"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=44289"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=44289"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=44289"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=44289"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=44289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}