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CVE-2014-5206

EPSS 0.04% · P11
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I. Basic Information for CVE-2014-5206

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The do_remount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allows local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a "mount -o remount" command within a user namespace.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 权限许可和访问控制问题漏洞
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。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.16.1及之前版本的fs/namespace.c文件中‘do_remount’函数存在安全漏洞，该漏洞源于在用户命名空间中重装只读的挂载时，程序会将MNT_LOCK_READONLY位清空。本地攻击者可通过在用户命名空间执行‘mount -o remount’命令利用该漏洞绕过既定的只读限制，破坏特定的沙箱保护机制。
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

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II. Public POCs for CVE-2014-5206

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III. Intelligence Information for CVE-2014-5206

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Same Patch Batch · n/a · 2014-08-18 · 10 CVEs total

CVE-2014-1469BlackBerry Enterprise Server和Enterprise Service 信息泄露漏洞
CVE-2014-2388BlackBerry OS 权限许可和访问控制漏洞
CVE-2014-5203WordPress widget实现安全漏洞
CVE-2014-5204WordPress 跨站请求伪造漏洞
CVE-2014-5205WordPress 跨站请求伪造漏洞
CVE-2014-5207Linux kernel 权限许可和访问控制问题漏洞
CVE-2014-5240WordPress 跨站脚本漏洞
CVE-2014-5265Incutio XML-RPC Library资源管理错误漏洞
CVE-2014-5266Incutio XML-RPC Library 资源管理错误漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2014-5206

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