CVE-2011-2695
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。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.0-rc5之前版本的ext4子系统中存在多个off-by-one错误漏洞。本地用户可借助访问具有写操作的范围格式内的稀少文件导致拒绝服务（BUG_ON和系统崩溃），该范围格式与一个块编号对应的最大可能32位无符号整数有关。
Possible ATT&CK Techniques 1 AI
T1076
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I. Basic Information for CVE-2011-2695
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.
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多个off-by-one错误漏洞
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 3.0-rc5之前版本的ext4子系统中存在多个off-by-one错误漏洞。本地用户可借助访问具有写操作的范围格式内的稀少文件导致拒绝服务（BUG_ON和系统崩溃），该范围格式与一个块编号对应的最大可能32位无符号整数有关。
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 | - |
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II. Public POCs for CVE-2011-2695
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2011-2695 (1)
Vendor Advisories for CVE-2011-2695 (2)
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https://bugzilla.redhat.com/show_bug.cgi?id=722557 x_refsource_CONFIRM
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Mailing List Discussions for CVE-2011-2695 (2)
Other References for CVE-2011-2695 (2)
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http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5 x_refsource_CONFIRM
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Same Patch Batch · n/a · 2011-07-28 · 13 CVEs total
| CVE-2011-2492 | Linux Kernel Bluetooth 'l2cap_sock.c'和'rfcomm/sock.c'信息泄露漏洞 | |
| CVE-2011-2546 | Cisco SA 500系列安全应用程序Web管理界面和登录表单SQL注入漏洞 | |
| CVE-2011-2547 | Cisco SA 500系列安全应用程序Web管理界面远程命令注入漏洞 | |
| CVE-2011-2549 | Cisco ASR 9000系列路由器IP Version 4拒绝服务漏洞 | |
| CVE-2011-2667 | CA Total Defense和Gateway Security远程代码执行漏洞 | |
| CVE-2011-2689 | Linux Kernel GFS2 'gfs2_fallocate()'拒绝服务漏洞 | |
| CVE-2011-1339 | Google Search Appliance跨站脚本攻击漏洞 | |
| CVE-2011-2688 | Jan Wolter mod-authnz-external模块SQL注入漏洞 | |
| CVE-2011-2747 | Google Picasa JPEG图像处理远程代码执行漏洞 | |
| CVE-2011-2956 | AzeoTech DAQFactory拒绝服务漏洞 | |
| CVE-2011-2957 | RockwellAutomation FactoryTalk Diagnostics Viewer任意代码执行漏洞 | |
| CVE-2011-2958 | Ecava IntegraXor多个跨站脚本攻击漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2011-2695
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