{"id":50373,"date":"2025-06-09T13:05:26","date_gmt":"2025-06-09T13:05:26","guid":{"rendered":""},"modified":"2025-10-22T19:05:46","modified_gmt":"2025-10-23T01:05:46","slug":"cve-2025-21479-memory-corruption-vulnerability-in-gpu-micronode","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-21479-memory-corruption-vulnerability-in-gpu-micronode\/","title":{"rendered":"<strong>CVE-2025-21479: Memory Corruption Vulnerability in GPU Micronode<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is a dynamic and constantly evolving space, filled with emerging threats and vulnerabilities. One such recently identified vulnerability, CVE-2025-21479, poses a significant threat to systems that utilize specific GPUs. This vulnerability is due to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3357-arbitrary-code-execution-vulnerability-in-ibm-tivoli-monitoring\/\"  data-wpil-monitor-id=\"56399\">memory corruption<\/a> that occurs during the execution of a specific sequence of commands in the GPU micronode. It&#8217;s a cause for concern because of its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5100-a-double-free-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"56601\">potential to lead to system<\/a> compromises and data leaks, thereby putting sensitive information at risk.<br \/>\nThe vulnerability affects several products and versions, placing a large number of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42977-path-handling-vulnerability-that-risks-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"57015\">systems at risk<\/a>. Considering the severity of the threat, understanding the nature of this vulnerability, how it works, and how to mitigate it is crucial for maintaining the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7093-critical-vulnerability-in-belkin-f9k1122-1-00-33-impacting-system-security-and-data-integrity\/\"  data-wpil-monitor-id=\"91190\">security posture of affected systems<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-21479<br \/>\nSeverity: High (8.6 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"57014\">System compromise<\/a>, potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3780422133\" 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>GPU Product 1 | Version 1.0 &#8211; 1.5<br \/>\nGPU Product 2 | Version 2.0 &#8211; 2.7<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0072-local-non-privileged-user-exploit-in-arm-ltd-gpu-kernel-drivers\/\"  data-wpil-monitor-id=\"58215\">exploit takes advantage of unauthorized command execution within the GPU<\/a> micronode. An attacker sends a specific sequence of commands that lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1277-memory-corruption-vulnerability-in-autodesk-applications-through-malicious-pdf-files\/\"  data-wpil-monitor-id=\"57102\">memory corruption<\/a>. This corruption effectively <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45343-high-risk-vulnerability-in-tenda-w18e-v-2-0-v-16-01-0-11-allows-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"56673\">allows the attacker to execute arbitrary code<\/a>, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2293286037\" 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>Consider an attacker using a shell <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-57783-xss-vulnerability-in-dot-desktop-application-allows-command-execution\/\"  data-wpil-monitor-id=\"57449\">command to exploit the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\"># Example shell command\n$ .\/exploit -c &quot;command sequence causing memory corruption&quot; -t target_system<\/code><\/pre>\n<p>In this hypothetical example, the `exploit` binary represents the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5353-local-authenticated-attacker-exploit-in-ivanti-workspace-control\/\"  data-wpil-monitor-id=\"65270\">attacker&#8217;s exploit<\/a> code. The `-c` flag is used to provide the command sequence that <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45565-memory-corruption-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"58035\">leads to memory corruption<\/a>, and the `-t` flag is used to specify the target system.<\/p>\n<p><strong>Mitigations<\/strong><\/p>\n<p>The most effective mitigation strategy against CVE-2025-21479 is to apply the vendor patch to the affected products. If the patch is not available or cannot be immediately applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These solutions can help <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45984-critical-command-injection-vulnerability-detected-in-blink-routers\/\"  data-wpil-monitor-id=\"65269\">detect and block abnormal command<\/a> sequences, preventing potential exploits.<br \/>\nHowever, these are just temporary solutions. They can&#8217;t completely eliminate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52709-high-risk-deserialization-of-untrusted-data-vulnerability-in-everest-forms\/\"  data-wpil-monitor-id=\"65268\">vulnerability and only serve to reduce the risk<\/a>. Therefore, applying the vendor patch is highly recommended as soon as it becomes available.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is a dynamic and constantly evolving space, filled with emerging threats and vulnerabilities. One such recently identified vulnerability, CVE-2025-21479, poses a significant threat to systems that utilize specific GPUs. This vulnerability is due to memory corruption that occurs during the execution of a specific sequence of commands in the GPU micronode. [&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":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-50373","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50373","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=50373"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50373\/revisions"}],"predecessor-version":[{"id":84209,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50373\/revisions\/84209"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=50373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=50373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=50373"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=50373"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=50373"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=50373"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=50373"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=50373"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=50373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}