{"id":64155,"date":"2025-08-18T23:51:28","date_gmt":"2025-08-18T23:51:28","guid":{"rendered":""},"modified":"2025-11-01T05:38:04","modified_gmt":"2025-11-01T11:38:04","slug":"cve-2025-20093-privilege-escalation-vulnerability-in-intel-r-800-series-ethernet-kernel-mode-driver","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-20093-privilege-escalation-vulnerability-in-intel-r-800-series-ethernet-kernel-mode-driver\/","title":{"rendered":"<strong>CVE-2025-20093: Privilege Escalation Vulnerability in Intel(R) 800 Series Ethernet Kernel-Mode Driver<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is constantly evolving, with new vulnerabilities being discovered regularly. One such vulnerability is CVE-2025-20093, a significant security flaw that affects the Linux kernel-mode driver for some Intel(R) 800 Series Ethernet products before version 1.17.2. Notably, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33075-a-critical-windows-installer-vulnerability-that-leads-to-privilege-elevation\/\"  data-wpil-monitor-id=\"72352\">vulnerability could potentially allow an authenticated user to escalate<\/a> their privilege via local access, thereby compromising the system or leading to data leakage.<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53546-high-severity-vulnerability-in-folo-s-github-workflow\/\"  data-wpil-monitor-id=\"73416\">severity of this vulnerability<\/a> underscores the importance of robust and proactive cybersecurity measures. It affects a broad range of users, particularly those who are running older versions of the Intel(R) 800 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24325-improper-input-validation-in-intel-r-800-series-ethernet-driver-allows-potential-escalation-of-privilege\/\"  data-wpil-monitor-id=\"80456\">Series Ethernet kernel-mode driver<\/a> on their systems. The potential for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6754-privilege-escalation-vulnerability-in-seo-metrics-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"72689\">privilege escalation makes this vulnerability<\/a> especially serious, as it could give malicious actors control over affected systems.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-20093<br \/>\nSeverity: High (CVSS score of 8.2)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: User<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27050-memory-corruption-vulnerability-leading-to-potential-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"74948\">Potential system compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-208037394\" 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>Intel(R) 800 Series Ethernet <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6297-exploitation-of-dpkg-deb-extraction-vulnerability\/\"  data-wpil-monitor-id=\"91996\">Linux<\/a> Kernel-Mode Driver | Versions before 1.17.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This vulnerability arises from an improper check for unusual or exceptional conditions in the Linux <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47982-improper-input-validation-vulnerability-in-windows-storage-vsp-driver-leading-to-privilege-escalation\/\"  data-wpil-monitor-id=\"75538\">kernel-mode<\/a> driver for certain Intel(R) 800 Series Ethernet products. If an authenticated user with local <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53499-critical-unauthorized-access-vulnerability-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72822\">access to the system attempts to exploit this vulnerability<\/a>, they could potentially enable escalation of privilege.<br \/>\nIn essence, exploiting this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48903-permission-bypass-vulnerability-in-media-library-module\/\"  data-wpil-monitor-id=\"72885\">vulnerability could allow a malicious user to obtain higher-level permissions<\/a> than they should have, which could lead to unauthorized actions. These actions could range from <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72571\">unauthorized system changes to data leakage<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2042862260\" 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 the specific exploitation method would depend on the <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=\"83142\">system configuration<\/a> and the malicious actor&#8217;s intent, a theoretical exploitation might involve a shell command like the following:<\/p>\n<pre><code class=\"\" data-line=\"\">$ echo &quot;malicious_payload&quot; &gt; \/proc\/driver\/intel_800_series_ethernet<\/code><\/pre>\n<p>In this conceptual example, `malicious_payload` represents the code or commands that a malicious actor would use to exploit the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53762-privilege-elevation-vulnerability-in-microsoft-purview\/\"  data-wpil-monitor-id=\"72906\">vulnerability and escalate their privileges<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate this vulnerability, users are advised to apply the vendor&#8217;s patch. Intel has released a patch for this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43588-out-of-bounds-write-vulnerability-in-substance3d-sampler-versions-5-0-and-earlier\/\"  data-wpil-monitor-id=\"73497\">vulnerability in version<\/a> 1.17.2 of the kernel-mode driver. Users should update their driver to this version or later.<br \/>\nIn addition to applying the vendor&#8217;s patch, users could also consider using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as temporary mitigation measures. These tools can provide additional protection against <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"79991\">potential exploits<\/a> by monitoring network traffic and blocking or alerting on suspicious activity. However, they should not be used as a substitute for applying the vendor&#8217;s patch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is constantly evolving, with new vulnerabilities being discovered regularly. One such vulnerability is CVE-2025-20093, a significant security flaw that affects the Linux kernel-mode driver for some Intel(R) 800 Series Ethernet products before version 1.17.2. Notably, this vulnerability could potentially allow an authenticated user to escalate their privilege via local access, thereby [&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":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-64155","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux","product-linux-kernel","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64155","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=64155"}],"version-history":[{"count":14,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64155\/revisions"}],"predecessor-version":[{"id":85201,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64155\/revisions\/85201"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64155"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64155"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64155"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64155"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64155"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64155"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}