CVE-2021-43389
Quick assessment
Affected
n/a n/a
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 5.14.15之前版本存在安全漏洞，该漏洞源于在"drivers/isdn/capi/kcapi.c"中的detach_capi_ctr函数中存在数组索引越界缺陷。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-43389
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the Linux kernel before 5.14.15. There is an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c.
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 缓冲区错误漏洞
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 5.14.15之前版本存在安全漏洞，该漏洞源于在"drivers/isdn/capi/kcapi.c"中的detach_capi_ctr函数中存在数组索引越界缺陷。
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-2021-43389
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-43389
请登录查看更多情报信息。
Patches & Fixes for CVE-2021-43389 (1)
Vendor Advisories for CVE-2021-43389 (3)
-
https://bugzilla.redhat.com/show_bug.cgi?id=2013180 x_refsource_CONFIRM
-
https://www.oracle.com/security-alerts/cpujul2022.html x_refsource_MISC
-
Mailing List Discussions for CVE-2021-43389 (3)
-
https://seclists.org/oss-sec/2021/q4/39 x_refsource_MISC
-
-
Other References for CVE-2021-43389 (2)
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15 x_refsource_MISC
Same Patch Batch · n/a · 2021-11-04 · 12 CVEs total
| CVE-2021-43400 | BlueZ 资源管理错误漏洞 | |
| CVE-2020-25367 | D-Link DIR-823G 命令注入漏洞 | |
| CVE-2020-25366 | D-Link DIR-823G 安全漏洞 | |
| CVE-2020-25368 | D-Link DIR-823G 命令注入漏洞 | |
| CVE-2021-42624 | Miniftpd 安全漏洞 | |
| CVE-2021-43281 | MyBB 代码注入漏洞 | |
| CVE-2021-43293 | Sonatype Nexus Repository 代码问题漏洞 | |
| CVE-2020-21139 | EC Cloud E-Commerce System 跨站请求伪造漏洞 | |
| CVE-2021-43396 | GNU C Library 安全漏洞 | |
| CVE-2021-43398 | Crypto++ 安全漏洞 | |
| CVE-2021-42057 | obsidian-dataview 代码注入漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
-
CVE-2026-94148
ScadaBR Export Project Endpoint export_project.htm EmportDwr -
CVE-2026-94110
QCMS Content Detail Controllers.php self_Tmp sql injection -
CVE-2026-94103
RooCMS Frontend Rendering site_pagePHP.php eval code injecti -
CVE-2026-94102
WuzhiCMS Login index.php redirect -
CVE-2026-94094
OpenClaw Canvas Host Route server.ts createCanvasHostHandler
V. Comments for CVE-2021-43389
No comments yet