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CVE-2022-4127

Quick assessment

Affected
n/a Linux kernel (io_uring)
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，该漏洞源于其io_files_update_with_index_alloc组件存在空指针解引用允许本地用户使系统崩溃导致拒绝服务。

AI Predicted 5.5 Difficulty: Easy EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-4127

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing 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，该漏洞源于其io_files_update_with_index_alloc组件存在空指针解引用允许本地用户使系统崩溃导致拒绝服务。
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 kernel (io_uring) Fixed in 5.19 -

II. Public POCs for CVE-2022-4127

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III. Intelligence Information for CVE-2022-4127

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Patches & Fixes for CVE-2022-4127 (1)

Other References for CVE-2022-4127 (1)

Same Patch Batch · n/a · 2022-11-28 · 24 CVEs total

CVE-2022-44283 AVS4YOU AVS Audio Converter 安全漏洞
CVE-2022-45939 GNU Emacs 操作系统命令注入漏洞
CVE-2022-45921 FusionAuth 路径遍历漏洞
CVE-2022-45224 Web-Based Student Clearance System 跨站脚本漏洞
CVE-2022-45223 Web-Based Student Clearance System 跨站脚本漏洞
CVE-2022-45221 Web-Based Student Clearance System 跨站脚本漏洞
CVE-2022-45214 Sanitization Management System 跨站脚本漏洞
CVE-2022-44937 BossCMS 跨站请求伪造漏洞
CVE-2022-44401 Online Tours & Travels Management System 代码问题漏洞
CVE-2022-44400 Purchase Order Management System 代码问题漏洞
CVE-2022-44399 Poultry Farm Management System SQL注入漏洞
CVE-2022-44284 Dinstar FXO Analog VoIP Gateway DAG2000-16O 跨站脚本漏洞
CVE-2022-24187 Shenzhen Fujia Technology OurPhoto 安全漏洞
CVE-2022-4129 Linux kernel 安全漏洞
CVE-2022-4128 Linux kernel 代码问题漏洞
CVE-2022-4104 Dropbox Lepton 安全漏洞
CVE-2022-38900 decode-uri-component 输入验证错误漏洞
CVE-2022-38753 NetIQ Advanced Authentication 授权问题漏洞
CVE-2022-36193 School-Management-System SQL注入漏洞
CVE-2022-31877 Micro-Star International MSI Center 数据伪造问题漏洞

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2022-4127

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