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CVE-2020-29661

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
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 5.9.13 版本及之前版本存在资源管理错误漏洞，该漏洞源于子系统中发现了一个锁定问题。驱动tty tty jobctrl.c允许使用后免费攻击TIOCSPGRP，又名CID-54ffccbf053b。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.12% · P64

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection
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I. Basic Information for CVE-2020-29661

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 资源管理错误漏洞
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 5.9.13 版本及之前版本存在资源管理错误漏洞，该漏洞源于子系统中发现了一个锁定问题。驱动tty tty jobctrl.c允许使用后免费攻击TIOCSPGRP，又名CID-54ffccbf053b。
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
- n/a n/a -

II. Public POCs for CVE-2020-29661

# POC Description Source Link Shenlong Link
1 None https://github.com/wojkos9/arm-CVE-2020-29661 POC Details
2 Using Dirty Pagetable technology to reproduce CVE-2020-29661 https://github.com/TLD1027/CVE-2020-29661 POC Details
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III. Intelligence Information for CVE-2020-29661

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Patches & Fixes for CVE-2020-29661 (1)

Vendor Advisories for CVE-2020-29661 (3)

Exploits & Public PoCs for CVE-2020-29661 (2)

Mailing List Discussions for CVE-2020-29661 (5)

Same Patch Batch · n/a · 2020-12-09 · 27 CVEs total

CVE-2020-7787 8.2 HIGH Improper Authentication
CVE-2020-7776 7.1 HIGH Cross-site Scripting (XSS)
CVE-2020-29259 SourceCodester Online Examination System 跨站脚本漏洞
CVE-2020-16587 Industrial Light And Magic OpenEXR 缓冲区错误漏洞
CVE-2020-29258 SourceCodester Online Examination System 跨站脚本漏洞
CVE-2020-29257 SourceCodester Online Examination System 跨站脚本漏洞
CVE-2020-16600 Artifex Software MuPDF 资源管理错误漏洞
CVE-2020-16599 GNU Binutils 代码问题漏洞
CVE-2020-16593 GNU Binutils 代码问题漏洞
CVE-2020-16592 GNU Binutils 资源管理错误漏洞
CVE-2020-16591 GNU Binutils 缓冲区错误漏洞
CVE-2020-16590 GNU Binutils 资源管理错误漏洞
CVE-2020-25499 TotoLink A3002RU 命令注入漏洞
CVE-2020-28086 Git 授权问题漏洞
CVE-2020-29660 Linux kernel 资源管理错误漏洞
CVE-2020-29659 Flexense DupScout Enterprise 缓冲区错误漏洞
CVE-2020-25199 Wecon Technologies LeviStudioU 缓冲区错误漏洞
CVE-2020-23520 Imcat 代码问题漏洞
CVE-2020-29657 JerryScript 缓冲区错误漏洞
CVE-2020-29655 ASUS RT-AC88U 注入漏洞

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2020-29661

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