{"id":50206,"date":"2025-06-09T11:04:29","date_gmt":"2025-06-09T11:04:29","guid":{"rendered":""},"modified":"2025-09-08T17:19:01","modified_gmt":"2025-09-08T23:19:01","slug":"cve-2025-21480-memory-corruption-vulnerability-in-gpu-micronode-leads-to-unauthorized-command-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-21480-memory-corruption-vulnerability-in-gpu-micronode-leads-to-unauthorized-command-execution\/","title":{"rendered":"<strong>CVE-2025-21480: Memory Corruption Vulnerability in GPU Micronode Leads to Unauthorized Command Execution<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is riddled with threats that target various aspects of a system, one of which is CVE-2025-21480. This vulnerability, discovered recently, exploits memory corruption in GPU micronodes to execute unauthorized commands. It affects a wide range of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21460-memory-corruption-vulnerability-in-guest-vm-buffer-processing-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"58989\">systems and applications that utilize GPUs for processing<\/a>, making it a critical concern for organizations and users alike. The severity of this vulnerability lies in its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32309-potential-system-compromise-due-to-remote-file-inclusion-in-php-program\/\"  data-wpil-monitor-id=\"56401\">potential to compromise the entire system<\/a> or lead to data leakage, thereby posing a significant threat to data integrity and confidentiality.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-21480<br \/>\nSeverity: High, CVSS Score 8.6<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42977-path-handling-vulnerability-that-risks-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"56950\">System compromise and potential data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2236133776\" 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>Nvidia GeForce | All versions up to 465.89<br \/>\nAMD Radeon | All versions up to 21.3.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-21480 vulnerability arises due to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3357-arbitrary-code-execution-vulnerability-in-ibm-tivoli-monitoring\/\"  data-wpil-monitor-id=\"56400\">memory corruption that occurs when a GPU micronode<\/a> executes a particular sequence of commands. The attacker could send these commands over the network to the targeted <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23244-nvidia-gpu-display-driver-linux-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"58281\">system&#8217;s GPU<\/a>. The GPU&#8217;s micronode, unable to handle these commands properly, results in <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1277-memory-corruption-vulnerability-in-autodesk-applications-through-malicious-pdf-files\/\"  data-wpil-monitor-id=\"57103\">memory corruption<\/a>. This flawed state allows the attacker to execute unauthorized commands, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5100-a-double-free-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"56594\">potentially leading to system<\/a> compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-460873724\" 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 an attacker might <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45997-exploiting-file-upload-vulnerability-in-web-based-pharmacy-product-management-system\/\"  data-wpil-monitor-id=\"56951\">exploit this vulnerability<\/a> using a malicious shell command.<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker identifies the target GPU&#039;s IP address\nTARGET_IP=&quot;192.0.2.0&quot;\n# Attacker crafts specific sequence of commands that cause memory corruption\nMALICIOUS_COMMANDS=&quot;...&quot;\n# Attacker sends the commands to the target GPU\necho $MALICIOUS_COMMANDS | nc $TARGET_IP 1234<\/code><\/pre>\n<p>This code represents a simple network request to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8714-critical-postgresql-vulnerability-allowing-malicious-code-injection-by-superusers\/\"  data-wpil-monitor-id=\"80720\">GPU<\/a> using its IP address and a sequence of malicious commands. This sequence of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-57783-xss-vulnerability-in-dot-desktop-application-allows-command-execution\/\"  data-wpil-monitor-id=\"57440\">commands is the key to exploiting the vulnerability<\/a>, triggering memory corruption and allowing unauthorized command execution.<br \/>\nNote: The above example is purely conceptual and oversimplified for illustrative purposes. The actual exploitation would involve a much more complex sequence of commands, specific to the GPU&#8217;s architecture and the attacker&#8217;s objectives.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The best <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48336-critical-deserialization-of-untrusted-data-vulnerability-in-thimpress-course-builder\/\"  data-wpil-monitor-id=\"57062\">course of action to mitigate this vulnerability<\/a> is to apply the vendor-supplied patch as soon as it becomes available. In the interim, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50738-memos-application-vulnerability-allows-for-unauthorized-user-information-disclosure\/\"  data-wpil-monitor-id=\"69623\">users could employ a Web Application<\/a> Firewall (WAF) or Intrusion Detection System (IDS) to monitor network traffic and block any suspicious activity. Regular system updates, along with strong security practices and monitoring, can also help <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-49842-critical-memory-corruption-vulnerability-in-protected-vm-address-space\/\"  data-wpil-monitor-id=\"58845\">protect against such vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is riddled with threats that target various aspects of a system, one of which is CVE-2025-21480. This vulnerability, discovered recently, exploits memory corruption in GPU micronodes to execute unauthorized commands. It affects a wide range of systems and applications that utilize GPUs for processing, making it a critical concern for organizations [&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":[83],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-50206","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-nvidia","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50206","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=50206"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50206\/revisions"}],"predecessor-version":[{"id":73141,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50206\/revisions\/73141"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=50206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=50206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=50206"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=50206"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=50206"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=50206"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=50206"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=50206"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=50206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}