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CVE-2021-3655

Quick assessment

Affected
n/a kernel
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存在输入验证错误漏洞，在 v5.14-rc1 之前的版本的 Linux 内核中发现了一个漏洞。对入站 SCTP 数据包缺少大小验证可能会允许内核读取未初始化的内存。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.31% · P21

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-3655

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
资源初始化缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 输入验证错误漏洞
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存在输入验证错误漏洞，在 v5.14-rc1 之前的版本的 Linux 内核中发现了一个漏洞。对入站 SCTP 数据包缺少大小验证可能会允许内核读取未初始化的内存。
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
- kernel kernel v5.14-rc1 -

II. Public POCs for CVE-2021-3655

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III. Intelligence Information for CVE-2021-3655

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Vendor Advisories for CVE-2021-3655 (1)

Mailing List Discussions for CVE-2021-3655 (2)

Same Patch Batch · n/a · 2021-08-05 · 54 CVEs total

CVE-2021-22919 Citrix ADC and NetScaler Gateway安全漏洞
CVE-2021-3642 Red Hat Wildfly Elytron 安全漏洞
CVE-2021-35327 TotoLink A720R 安全漏洞
CVE-2021-22517 Micro Focus Data Protector 安全漏洞
CVE-2021-26586 HPE Edgeline Infrastructure Management 安全漏洞
CVE-2021-35325 TotoLink A720R 缓冲区错误漏洞
CVE-2021-20592 Mitsubishi Electric GOT2000 安全漏洞
CVE-2021-3566 FFmpeg 信息泄露漏洞
CVE-2021-22924 libcurl 资源管理错误漏洞
CVE-2021-22920 Citrix Application Delivery Controller安全漏洞
CVE-2021-1630 MuleSoft Mule 代码问题漏洞
CVE-2021-22927 Citrix Application Delivery Controller授权问题漏洞
CVE-2021-22928 Citrix Systems Citrix Virtual Apps and Desktops 安全漏洞
CVE-2021-21893 Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞
CVE-2021-21831 Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞
CVE-2021-21870 Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞
CVE-2021-21785 IOBit Advanced SystemCare 安全漏洞
CVE-2021-21792 IOBit Advanced SystemCare 安全漏洞
CVE-2021-21791 IOBit Advanced SystemCare 安全漏洞
CVE-2021-21790 IOBit Advanced SystemCare 安全漏洞

Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-909

V. Comments for CVE-2021-3655

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