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CVE-2018-14734

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基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.17.11及之前版本中的drivers/infiniband/core/ucma.c文件存在安全漏洞，该漏洞源于‘ucma_process_join’函数在进行释放操作之后，‘ucma_leave_multicast’函数仍然可以访问被释放的数据结构。攻击者可利用该漏洞造成拒绝服务（释放后重用）。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.57% · P46

Possible ATT&CK Techniques 1 AI

T1519
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I. Basic Information for CVE-2018-14734

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).
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 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 4.17.11及之前版本中的drivers/infiniband/core/ucma.c文件存在安全漏洞，该漏洞源于‘ucma_process_join’函数在进行释放操作之后，‘ucma_leave_multicast’函数仍然可以访问被释放的数据结构。攻击者可利用该漏洞造成拒绝服务（释放后重用）。
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-2018-14734

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III. Intelligence Information for CVE-2018-14734

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Patches & Fixes for CVE-2018-14734 (2)

Vendor Advisories for CVE-2018-14734 (9)

Mailing List Discussions for CVE-2018-14734 (1)

Same Patch Batch · n/a · 2018-07-29 · 10 CVEs total

CVE-2018-14736 cloudwu PBC 缓冲区错误漏洞
CVE-2018-14737 cloudwu PBC 安全漏洞
CVE-2018-14738 cloudwu PBC 缓冲区错误漏洞
CVE-2018-14739 cloudwu PBC 缓冲区错误漏洞
CVE-2018-14740 cloudwu PBC 缓冲区错误漏洞
CVE-2018-14741 cloudwu PBC 缓冲区错误漏洞
CVE-2018-14742 cloudwu PBC 缓冲区错误漏洞
CVE-2018-14743 cloudwu PBC 缓冲区错误漏洞
CVE-2018-14744 cloudwu PBC 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2018-14734

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