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CVE-2023-2166

Quick assessment

Affected
n/a Linux
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.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux Kernel存在代码问题漏洞，该漏洞源于net/can/af_can.c 中的 can 协议中发现了一个空指针解引用问题，ml_priv 可能未在 CAN 帧的接收路径中初始化，攻击者利用该漏洞可以导致系统崩溃或导致拒绝服务。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-2166

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. ml_priv may not be initialized in the receive path of CAN frames. A local user could use this flaw to crash the system or potentially cause a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux Kernel存在代码问题漏洞，该漏洞源于net/can/af_can.c 中的 can 协议中发现了一个空指针解引用问题，ml_priv 可能未在 CAN 帧的接收路径中初始化，攻击者利用该漏洞可以导致系统崩溃或导致拒绝服务。
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
- Linux Linux Kernel version prior to Kernel 6.1 RC9 -

II. Public POCs for CVE-2023-2166

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III. Intelligence Information for CVE-2023-2166

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Other References for CVE-2023-2166 (1)

Same Patch Batch · n/a · 2023-04-19 · 67 CVEs total

CVE-2021-0874 Google Android 输入验证错误漏洞
CVE-2023-28122 UI Desktop 安全漏洞
CVE-2023-23451 多款SICK产品访问控制错误漏洞
CVE-2023-22894 Strapi 安全漏洞
CVE-2023-27777 Sourcecodester Online Jewelry Shop 跨站脚本漏洞
CVE-2023-29923 PowerJob 安全漏洞
CVE-2023-29586 Code Sector TeraCopy 安全漏洞
CVE-2023-29922 PowerJob 安全漏洞
CVE-2021-0872 Google Android 输入验证错误漏洞
CVE-2021-0873 Google Android 输入验证错误漏洞
CVE-2023-30463 picoTCP 输入验证错误漏洞
CVE-2021-0875 Google Android 输入验证错误漏洞
CVE-2021-0876 Google Android 输入验证错误漏洞
CVE-2021-0878 Google Android 输入验证错误漏洞
CVE-2021-0879 Google Android 输入验证错误漏洞
CVE-2021-0880 Google Android 输入验证错误漏洞
CVE-2021-0881 Google Android 输入验证错误漏洞
CVE-2021-0882 Google Android 输入验证错误漏洞
CVE-2021-0883 Google Android 输入验证错误漏洞
CVE-2021-0884 Google Android 输入验证错误漏洞

Showing top 20 of 67 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: n/a
Same weakness: CWE-476

V. Comments for CVE-2023-2166

Anonymous User
2026-01-15 06:08:41

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