{"id":33853,"date":"2025-04-29T19:00:42","date_gmt":"2025-04-29T19:00:42","guid":{"rendered":""},"modified":"2025-09-16T07:09:12","modified_gmt":"2025-09-16T13:09:12","slug":"cve-2025-2073-out-of-bounds-read-vulnerability-in-google-chromeos-kernel","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-2073-out-of-bounds-read-vulnerability-in-google-chromeos-kernel\/","title":{"rendered":"<strong>CVE-2025-2073: Out-of-Bounds Read Vulnerability in Google ChromeOS Kernel<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>This blog post is intended to shed light on a high-severity security vulnerability tagged CVE-2025-2073 that affects Google ChromeOS Kernel Versions 6.1, 5.15, 5.10, 5.4, 4.19 and targets all devices where the Termina virtual machine is used. This vulnerability, stemming from an Out-of-Bounds Read in ip_set_bitmap_ip.c, holds potential for serious exploitation that could lead to system compromise or data leakage.<br \/>\nThe high severity of this exploit, coupled with the potential for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3761-privilege-escalation-vulnerability-in-my-tickets-wordpress-plugin\/\"  data-wpil-monitor-id=\"40008\">privilege escalation<\/a>, makes it an imminent threat that needs immediate attention and remediation. The fact that it affects a broad spectrum of ChromeOS <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43865-critical-spoofing-vulnerability-in-react-router-prior-to-version-7-5-2\/\"  data-wpil-monitor-id=\"41483\">versions underscores its critical<\/a> nature.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-2073<br \/>\nSeverity: High (CVSS Score: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: High (CAP_NET_ADMIN)<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32849-vulnerability-in-telecontrol-server-basic-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"39529\">Potential for system<\/a> compromise and data leakage.<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1064788953\" 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>Google ChromeOS Kernel | 6.1, 5.15, 5.10, 5.4, 4.19<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability is due to an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-43958-arbitrary-file-upload-vulnerability-in-hospital-management-system-v4-0\/\"  data-wpil-monitor-id=\"39688\">Out-of-Bounds Read<\/a> error in the ip_set_bitmap_ip.c file of Google ChromeOS Kernel. An attacker with CAP_NET_ADMIN <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-58250-privilege-mishandling-vulnerability-in-pppd-s-passprompt-plugin\/\"  data-wpil-monitor-id=\"38447\">privileges can exploit this vulnerability<\/a> by sending crafted ipset commands to the target system. These malformed commands trigger the out-of-bounds read, which leads to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-33118-critical-memory-corruption-vulnerability-in-listen-sound-model-client-payload\/\"  data-wpil-monitor-id=\"41238\">memory corruption<\/a>. The memory corruption could potentially be leveraged by the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28237-privilege-escalation-vulnerability-in-worldcast-systems-ecreso-fm-dab-tv-transmitter\/\"  data-wpil-monitor-id=\"40021\">escalate their privileges and take control of the system<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-311177430\" 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>While precise exploit <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-40446-arbitrary-code-execution-vulnerability-in-forkosh-mime-tex\/\"  data-wpil-monitor-id=\"39885\">code for this vulnerability<\/a> is not available, a conceptual example could look something like this:<\/p>\n<pre><code class=\"\" data-line=\"\">ipset create test bitmap:ip range 192.168.0.0\/24\nipset add test 192.168.0.1\nipset save test &gt; crafted_commands.txt\n# Modify crafted_commands.txt to trigger out-of-bounds read\nipset restore &lt; crafted_commands.txt<\/code><\/pre>\n<p>In this conceptual example, the attacker creates an ipset, adds an IP to it, saves the ipset, and then modifies the saved <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28039-pre-auth-remote-command-execution-vulnerability-in-totolink-ex1200t\/\"  data-wpil-monitor-id=\"39528\">commands to trigger the vulnerability<\/a>. The attacker then reloads the crafted commands into ipset, which causes memory corruption and potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43715-privilege-escalation-vulnerability-in-nullsoft-scriptable-install-system-nsis\/\"  data-wpil-monitor-id=\"40223\">escalates their privileges<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The recommended mitigation is to apply the vendor&#8217;s patch once it becomes available. In the meantime, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-43110-critical-unauthenticated-remote-system-configuration-vulnerability-in-voltronic-power-viewpower-powershield-netguard\/\"  data-wpil-monitor-id=\"83160\">systems should be configured<\/a> to detect and block suspicious ipset commands. Administrators should also restrict the CAP_NET_ADMIN <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43922-unprivileged-local-user-privilege-escalation-vulnerability-in-filewave-windows-client\/\"  data-wpil-monitor-id=\"41430\">privilege to trusted users<\/a> only.<br \/>\nMonitoring <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24351-remote-logging-vulnerability-in-ctrlx-os-can-lead-to-root-level-system-compromise\/\"  data-wpil-monitor-id=\"42183\">system logs<\/a> for unusual ipset activity can also help detect attempted exploits. If any suspicious activity is detected, administrators should investigate immediately.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview This blog post is intended to shed light on a high-severity security vulnerability tagged CVE-2025-2073 that affects Google ChromeOS Kernel Versions 6.1, 5.15, 5.10, 5.4, 4.19 and targets all devices where the Termina virtual machine is used. This vulnerability, stemming from an Out-of-Bounds Read in ip_set_bitmap_ip.c, holds potential for serious exploitation that could lead [&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":[91,88],"product":[95],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-33853","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-google","vendor-linux","product-linux-kernel","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/33853","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=33853"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/33853\/revisions"}],"predecessor-version":[{"id":75697,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/33853\/revisions\/75697"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=33853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=33853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=33853"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=33853"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=33853"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=33853"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=33853"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=33853"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=33853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}