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CVE-2011-2689

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中存在拒绝服务漏洞。由于fs/gfs2/file.c中的“gfs2_fallocate()”函数没有正确确保协调好了已分配的字节，可被利用造成“BUG()”，本地用户可利用此漏洞造成拒绝服务。

AI Predicted 4.4 Difficulty: Easy EPSS 0.41% · P33

Possible ATT&CK Techniques 2 AI

T1499 · Endpoint Denial of Service T1298
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I. Basic Information for CVE-2011-2689

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The gfs2_fallocate function in fs/gfs2/file.c in the Linux kernel before 3.0-rc1 does not ensure that the size of a chunk allocation is a multiple of the block size, which allows local users to cause a denial of service (BUG and system crash) by arranging for all resource groups to have too little free space.
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 GFS2 'gfs2_fallocate()'拒绝服务漏洞
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中存在拒绝服务漏洞。由于fs/gfs2/file.c中的“gfs2_fallocate()”函数没有正确确保协调好了已分配的字节，可被利用造成“BUG()”，本地用户可利用此漏洞造成拒绝服务。
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-2011-2689

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III. Intelligence Information for CVE-2011-2689

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Patches & Fixes for CVE-2011-2689 (1)

Vendor Advisories for CVE-2011-2689 (6)

Mailing List Discussions for CVE-2011-2689 (2)

Other References for CVE-2011-2689 (1)

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-2011-2695 Linux kernel多个off-by-one错误漏洞
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

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

V. Comments for CVE-2011-2689

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