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CVE-2012-0055

Quick assessment

Affected
Linux kernel OverlayFS
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是英国科能（Canonical）基金会发布和Ubuntu基金会发布的开源操作系统Linux所使用的内核。Ubuntu是英国科能（Canonical）公司和Ubuntu公司的一套以桌面应用为主的GNU/Linux操作系统。 Linux kernel 3.0.0-16.28之前版本中的OverlayFS（使用在Ubuntu 10.0.4 LTS和11.10版本中）存在本地安全绕过漏洞。攻击者可利用该漏洞绕过安全限制进而执行未授权操作。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.24% · P69

Public Exploits 1

ExploitDB · 1 EDB-36571 [local]

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2012-0055

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OverlayFS in the Linux kernel before 3.0.0-16.28, as used in Ubuntu 10.0.4 LTS and 11.10, is missing inode security checks which could allow attackers to bypass security restrictions and perform unauthorized actions.
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
OverlayFS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是英国科能（Canonical）基金会发布和Ubuntu基金会发布的开源操作系统Linux所使用的内核。Ubuntu是英国科能（Canonical）公司和Ubuntu公司的一套以桌面应用为主的GNU/Linux操作系统。 Linux kernel 3.0.0-16.28之前版本中的OverlayFS（使用在Ubuntu 10.0.4 LTS和11.10版本中）存在本地安全绕过漏洞。攻击者可利用该漏洞绕过安全限制进而执行未授权操作。
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
Linux kernel OverlayFS before 3.0.0-16.28 -

II. Public POCs for CVE-2012-0055

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III. Intelligence Information for CVE-2012-0055

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Vendor Advisories for CVE-2012-0055 (5)

Mailing List Discussions for CVE-2012-0055 (1)

Other References for CVE-2012-0055 (1)

IV. Related Vulnerabilities

Same vendor: Linux kernel

V. Comments for CVE-2012-0055

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