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CVE-2017-18221

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 4.11.4之前版本中的mm/mlock.c文件的‘__munlock_pagevec’函数存在安全漏洞。本地攻击者可通过使用mlockall和munlockall系统调用利用该漏洞造成拒绝服务。

AI Predicted 4.7 Difficulty: Easy EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2017-18221

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The __munlock_pagevec function in mm/mlock.c in the Linux kernel before 4.11.4 allows local users to cause a denial of service (NR_MLOCK accounting corruption) via crafted use of mlockall and munlockall system calls.
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 4.11.4之前版本中的mm/mlock.c文件的‘__munlock_pagevec’函数存在安全漏洞。本地攻击者可通过使用mlockall和munlockall系统调用利用该漏洞造成拒绝服务。
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-2017-18221

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III. Intelligence Information for CVE-2017-18221

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Patches & Fixes for CVE-2017-18221 (2)

Vendor Advisories for CVE-2017-18221 (3)

Other References for CVE-2017-18221 (1)

Same Patch Batch · n/a · 2018-03-07 · 21 CVEs total

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CVE-2018-7720 Western Bridge Cobub Razor 跨站请求伪造漏洞
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CVE-2018-1000119 Sinatra rack-protection 信息泄露漏洞
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CVE-2018-1000117 Python Software Foundation CPython on Windows 缓冲区错误漏洞
CVE-2018-1000116 NET-SNMP UDP protocol handler 缓冲区错误漏洞
CVE-2018-7473 SO Connect SO WIFI hotspot web interface 安全漏洞
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CVE-2014-5044 libgfortran 数字错误漏洞
CVE-2018-7746 Western Bridge Cobub Razor 跨站请求伪造漏洞
CVE-2018-7745 Western Bridge Cobub Razor 安全漏洞
CVE-2018-5452 Emerson Process Management ControlWave Micro Process Automation Controller 缓冲区错误漏洞
CVE-2018-7565 Polycom QDX 6000设备Web application界面跨站请求伪造漏洞
CVE-2018-7564 Polycom QDX 6000设备跨站脚本漏洞
CVE-2018-7204 WordPress Giribaz File Manager插件安全漏洞
CVE-2017-15367 Bacula-Web SQL注入漏洞
CVE-2018-7753 Bleach 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2017-18221

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