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CVE-2018-14641

Quick assessment

Affected
The Linux Foundation 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基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.19-rc1版本至4.19-rc3版本中的net/ipv4/ip_fragment.c文件的‘ip_frag_reasm()’函数存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务（系统崩溃）。

AI Predicted 7.5 Difficulty: Moderate EPSS 2.80% · P85
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I. Basic Information for CVE-2018-14641

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw was found in the ip_frag_reasm() function in net/ipv4/ip_fragment.c in the Linux kernel from 4.19-rc1 to 4.19-rc3 inclusive, which can cause a later system crash in ip_do_fragment(). With certain non-default, but non-rare, configuration of a victim host, an attacker can trigger this crash remotely, thus leading to a remote denial-of-service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
变量未经初始化
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
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 4.19-rc1版本至4.19-rc3版本中的net/ipv4/ip_fragment.c文件的‘ip_frag_reasm()’函数存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务（系统崩溃）。
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
The Linux Foundation kernel from 4.19-rc1 to 4.19-rc3 inclusive -

II. Public POCs for CVE-2018-14641

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III. Intelligence Information for CVE-2018-14641

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Patches & Fixes for CVE-2018-14641 (1)

Vendor Advisories for CVE-2018-14641 (2)

Mailing List Discussions for CVE-2018-14641 (1)

IV. Related Vulnerabilities

Same product: kernel
Same vendor: The Linux Foundation
Same weakness: CWE-456

V. Comments for CVE-2018-14641

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