{"id":76058,"date":"2025-09-22T02:23:31","date_gmt":"2025-09-22T02:23:31","guid":{"rendered":""},"modified":"2025-10-21T06:15:10","modified_gmt":"2025-10-21T12:15:10","slug":"cve-2025-23283-critical-vulnerability-in-nvidia-vgpu-software-for-linux-style-hypervisors","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-23283-critical-vulnerability-in-nvidia-vgpu-software-for-linux-style-hypervisors\/","title":{"rendered":"<strong>CVE-2025-23283: Critical Vulnerability in NVIDIA vGPU Software for Linux-style Hypervisors<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>We&#8217;re delving into the alarming vulnerability identified in NVIDIA vGPU software for Linux-style hypervisors, tagged as CVE-2025-23283. This critical security flaw, if successfully exploited, could allow a malicious guest to create a stack buffer overflow in the Virtual GPU Manager. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50972-sql-injection-vulnerability-in-abantecart-1-4-2-with-a-high-severity-score\/\"  data-wpil-monitor-id=\"83507\">vulnerability has been assigned a high severity<\/a> score of 7.8 by the Common Vulnerability Scoring System (CVSS), indicating its potential for serious damage.<br \/>\nOrganizations utilizing the NVIDIA vGPU software on Linux-style hypervisors should be aware of this vulnerability as it could lead to severe consequences such as code execution, denial of service, escalation of privileges, information disclosure, or data tampering, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7775-critical-memory-overflow-vulnerability-in-netscaler-adc-and-gateway-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"83748\">potentially compromising the whole system or leading<\/a> to data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-23283<br \/>\nSeverity: High (CVSS 7.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0074-critical-remote-code-execution-vulnerability-in-sdp-discovery\/\"  data-wpil-monitor-id=\"83606\">Code execution<\/a>, Denial of Service, Escalation of privileges, Information disclosure, Data tampering<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-396188859\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23284-critical-stack-buffer-overflow-vulnerability-in-nvidia-vgpu-software\/\"  data-wpil-monitor-id=\"89295\">NVIDIA vGPU<\/a> Software | Versions prior to the latest patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by a malicious guest instigating a stack <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54493-critical-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83412\">buffer overflow<\/a> in the Virtual GPU Manager. This is achieved by sending <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30099-improper-neutralization-of-special-elements-in-dell-powerprotect-data-domain\/\"  data-wpil-monitor-id=\"90711\">specially crafted data<\/a> that exceeds the buffer limit, causing an overflow. This overflow can then result in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22403-remote-code-execution-vulnerability-in-sdp-discovery-cc\/\"  data-wpil-monitor-id=\"83911\">execution of arbitrary code<\/a> or even allow the malicious guest to obtain higher privileges than initially granted. The vulnerability can also <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9253-stack-based-buffer-overflow-on-linksys-wi-fi-range-extenders-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"84318\">lead to denial of service by crashing the system<\/a> or even leaking sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-415170420\" 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>Here is a conceptual example illustrating how such an exploit might work. This is not actual exploit code, but a representation to help understand the nature of the vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\"># Hypothetical shell command to execute exploit\n$ echo &quot;OVERFLOW_PAYLOAD&quot; &gt; \/dev\/vgpu<\/code><\/pre>\n<p>In this imagined scenario, &#8220;OVERFLOW_PAYLOAD&#8221; represents a larger than expected input designed to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54491-critical-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83445\">overflow the buffer<\/a> in the Virtual GPU Manager. This could potentially lead to unintended consequences such as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52353-arbitrary-code-execution-vulnerability-in-badaso-cms-2-9-11\/\"  data-wpil-monitor-id=\"83965\">execution of arbitrary code<\/a> or escalation of privileges.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>The recommended mitigation is to apply the vendor-supplied patch, which <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58280-object-heap-address-exposure-vulnerability-in-ark-ets\/\"  data-wpil-monitor-id=\"87223\">addresses and eliminates this vulnerability<\/a>. In the absence of the patch or until it can be applied, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as temporary mitigation strategies. These can help detect and prevent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1740-excessive-authentication-attempts-vulnerability-in-akinsoft-myrezzta\/\"  data-wpil-monitor-id=\"86736\">attempts to exploit this vulnerability<\/a>. Always, make sure to keep your systems and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27215-unauthorized-system-modification-vulnerability-in-unifi-display-cast-devices\/\"  data-wpil-monitor-id=\"84885\">software<\/a> updated to the latest versions to reduce the risk of such vulnerabilities.<br \/>\nStay vigilant, stay safe.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview We&#8217;re delving into the alarming vulnerability identified in NVIDIA vGPU software for Linux-style hypervisors, tagged as CVE-2025-23283. This critical security flaw, if successfully exploited, could allow a malicious guest to create a stack buffer overflow in the Virtual GPU Manager. The vulnerability has been assigned a high severity score of 7.8 by the Common [&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":[88,83],"product":[],"attack_vector":[86,87],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-76058","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux","vendor-nvidia","attack_vector-buffer-overflow","attack_vector-dos"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76058","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=76058"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76058\/revisions"}],"predecessor-version":[{"id":83654,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76058\/revisions\/83654"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=76058"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=76058"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=76058"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=76058"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=76058"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=76058"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=76058"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=76058"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=76058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}