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CVE-2021-3679

EPSS 1.41% · P81
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I. Basic Information for CVE-2021-3679

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
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 存在安全漏洞，该漏洞源于在5.14-rc3之前版本的Linux内核跟踪模块功能中，用户以特定方式使用跟踪环缓冲区时发现CPU资源不足。攻击者可利用该漏洞导致服务被拒绝。
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

VendorProductAffected VersionsCPESubscribe
-kernel kernel 5.14-rc3 -

II. Public POCs for CVE-2021-3679

#POC DescriptionSource LinkShenlong Link
1Exploitation for CVE-2021-3679 and document for its fixhttps://github.com/aegistudio/RingBufferDetonatorPOC Details
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III. Intelligence Information for CVE-2021-3679

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

CVE-2021-22920Citrix Application Delivery Controller安全漏洞
CVE-2021-3655Linux kernel 输入验证错误漏洞
CVE-2021-35325TotoLink A720R 缓冲区错误漏洞
CVE-2021-20592Mitsubishi Electric GOT2000 安全漏洞
CVE-2021-22517Micro Focus Data Protector 安全漏洞
CVE-2021-26586HPE Edgeline Infrastructure Management 安全漏洞
CVE-2021-3642Red Hat Wildfly Elytron 安全漏洞
CVE-2021-1630MuleSoft Mule 代码问题漏洞
CVE-2021-3566FFmpeg 信息泄露漏洞
CVE-2021-22924libcurl 资源管理错误漏洞
CVE-2021-37156Redmine 代码问题漏洞
CVE-2021-22919Citrix ADC and NetScaler Gateway安全漏洞
CVE-2021-22927Citrix Application Delivery Controller授权问题漏洞
CVE-2021-22928Citrix Systems Citrix Virtual Apps and Desktops 安全漏洞
CVE-2021-21893Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞
CVE-2021-21831Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞
CVE-2021-21870Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞
CVE-2021-21785IOBit Advanced SystemCare 安全漏洞
CVE-2021-21792IOBit Advanced SystemCare 安全漏洞
CVE-2021-21791IOBit 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-400

V. Comments for CVE-2021-3679

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