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CVE-2021-1121

Quick assessment

Affected
NVIDIA NVIDIA Virtual GPU Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nvidia vGPU Software是美国Nvidia公司的一个用于为虚拟机提供GPU功能的管理软件。该软件支持多个虚拟机访问主机的GPU，为虚拟机提供图形性能和应用程序兼容性。 NVIDIA vGPU software 存在安全漏洞，该漏洞源于 NVIDIA vGPU software 在 Virtual GPU Manager 内核驱动程序中包含一个漏洞，其中 vGPU 可能导致同一 GPU 上托管的其他 vGPU 之间出现资源匮乏，从而可能导致拒绝服务。

CVSS 5.5 · Medium EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-1121

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager kernel driver, where a vGPU can cause resource starvation among other vGPUs hosted on the same GPU, which may lead to denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
NVIDIA vGPU software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nvidia vGPU Software是美国Nvidia公司的一个用于为虚拟机提供GPU功能的管理软件。该软件支持多个虚拟机访问主机的GPU，为虚拟机提供图形性能和应用程序兼容性。 NVIDIA vGPU software 存在安全漏洞，该漏洞源于 NVIDIA vGPU software 在 Virtual GPU Manager 内核驱动程序中包含一个漏洞，其中 vGPU 可能导致同一 GPU 上托管的其他 vGPU 之间出现资源匮乏，从而可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NVIDIA NVIDIA Virtual GPU Software vGPU version 13.x (prior to 13.1), 12.x (prior to 12.4), version 11.x (prior to 11.6) and version 8.x (prior 8.9). -

II. Public POCs for CVE-2021-1121

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III. Intelligence Information for CVE-2021-1121

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Other References for CVE-2021-1121 (1)

Same Patch Batch · NVIDIA · 2021-10-29 · 6 CVEs total

CVE-2021-1118 7.8 HIGH NVIDIA vGPU Software 安全漏洞
CVE-2021-1119 7.1 HIGH Nvidia vGPU Software 资源管理错误漏洞
CVE-2021-1120 7.0 HIGH Nvidia vGPU Software 安全漏洞
CVE-2021-1122 5.5 MEDIUM Nvidia vGPU Software 代码问题漏洞
CVE-2021-1123 5.5 MEDIUM Nvidia vGPU Software 安全漏洞

IV. Related Vulnerabilities

Same product: NVIDIA Virtual GPU Software
Same vendor: NVIDIA
Same weakness: CWE-770

V. Comments for CVE-2021-1121

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