CVE-2021-34392
Quick assessment
Affected
NVIDIA NVIDIA Jetson TX1
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 NVIDIA TLK是美国Nvidia公司的一个调度程序，与可信固件-A (TF-A) 配合使用。 NVIDIA TLK 存在输入验证错误漏洞，该漏洞源于Trusty TLK 包含 NVIDIA TLK 内核函数中的一个漏洞，其中缺少检查允许利用 tz_map_shared_mem 函数的大小参数上的整数溢出。攻击者可利用该漏洞将专门设计的数据传递给应用程序，触发整数溢出，并在目标系统上执行任意代码。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-34392
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Trusty TLK contains a vulnerability in the NVIDIA TLK kernel where an integer overflow in the tz_map_shared_mem function can bypass boundary checks, which might lead to denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
NVIDIA TLK 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nvidia NVIDIA TLK是美国Nvidia公司的一个调度程序，与可信固件-A (TF-A) 配合使用。 NVIDIA TLK 存在输入验证错误漏洞，该漏洞源于Trusty TLK 包含 NVIDIA TLK 内核函数中的一个漏洞，其中缺少检查允许利用 tz_map_shared_mem 函数的大小参数上的整数溢出。攻击者可利用该漏洞将专门设计的数据传递给应用程序，触发整数溢出，并在目标系统上执行任意代码。
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 Jetson TX1 | All Jetson Linux versions prior to r32.5.1 | - |
|
II. Public POCs for CVE-2021-34392
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-34392 (1)
-
https://nvidia.custhelp.com/app/answers/detail/a_id/5205 x_refsource_CONFIRM
Same Patch Batch · NVIDIA · 2021-06-22 · 9 CVEs total
| CVE-2021-34372 | 8.2 HIGH | NVIDIA Jetson 输入验证错误漏洞 |
| CVE-2021-34390 | 5.3 MEDIUM | NVIDIA TLK 输入验证错误漏洞 |
| CVE-2021-34391 | 5.3 MEDIUM | NVIDIA TLK 输入验证错误漏洞 |
| CVE-2021-34393 | 4.2 MEDIUM | NVIDIA Jetson 代码问题漏洞 |
| CVE-2021-34394 | 4.2 MEDIUM | NVIDIA OTE 代码问题漏洞 |
| CVE-2021-34395 | 3.9 LOW | NVIDIA TLK 访问控制错误漏洞 |
| CVE-2021-34396 | 3.0 LOW | NVIDIA MB2 访问控制错误漏洞 |
| CVE-2021-34397 | 1.9 LOW | Nvidia NVIDIA MB2 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-34392
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