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CVE-2019-8956

Quick assessment

Affected
UNKNOWN Linux Kernel
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基金会发布的开源操作系统Linux所使用的内核。 Linux kernel中存在释放后重用漏洞。攻击者可利用该漏洞造成拒绝服务或执行代码。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.13% · P63
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I. Basic Information for CVE-2019-8956

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.
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基金会发布的开源操作系统Linux所使用的内核。 Linux kernel中存在释放后重用漏洞。攻击者可利用该漏洞造成拒绝服务或执行代码。
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
UNKNOWN Linux Kernel 4.20.x prior to 4.20.8 -

II. Public POCs for CVE-2019-8956

# POC Description Source Link Shenlong Link
1 sctp-PoC https://github.com/butterflyhack/CVE-2019-8956 POC Details
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III. Intelligence Information for CVE-2019-8956

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Patches & Fixes for CVE-2019-8956 (1)

Vendor Advisories for CVE-2019-8956 (3)

Other References for CVE-2019-8956 (3)

IV. Related Vulnerabilities

Same product: Linux Kernel
Same vendor: UNKNOWN

V. Comments for CVE-2019-8956

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