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CVE-2011-2723

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 2.6.39.4之前版本的include/linux/netdevice.h中的skb_gro_header_slow函数在Generic Receive Offload （GRO）启用时重置了错误情况中的某些字段。远程攻击者可借助特制网络通讯导致拒绝服务（系统崩溃），该系统在无法请求skb时，仅重置了frag0。

AI Predicted 7.5 Difficulty: Easy EPSS 1.11% · P63
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I. Basic Information for CVE-2011-2723

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4, when Generic Receive Offload (GRO) is enabled, resets certain fields in incorrect situations, which allows remote attackers to cause a denial of service (system crash) via crafted network traffic.
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 GRO 'skb_gro_header_slow()'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 2.6.39.4之前版本的include/linux/netdevice.h中的skb_gro_header_slow函数在Generic Receive Offload （GRO）启用时重置了错误情况中的某些字段。远程攻击者可借助特制网络通讯导致拒绝服务（系统崩溃），该系统在无法请求skb时，仅重置了frag0。
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-2011-2723

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III. Intelligence Information for CVE-2011-2723

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Patches & Fixes for CVE-2011-2723 (1)

Vendor Advisories for CVE-2011-2723 (3)

Mailing List Discussions for CVE-2011-2723 (3)

Other References for CVE-2011-2723 (2)

Same Patch Batch · n/a · 2011-09-06 · 18 CVEs total

CVE-2011-3204 Hammerhead hammerhead.cc后置链接漏洞
CVE-2011-3390 IBM OpenAdmin Tool index.php多个跨站脚本攻击漏洞
CVE-2011-3205 Squid 安全漏洞
CVE-2011-2700 Linux Kernel drivers/media/radio/si4713-i2c.c si4713_write_econtrol_string函数多个缓冲区错误漏洞
CVE-2011-2654 Novell Cloud Manager RPC会话初始化任意代码执行漏洞
CVE-2011-1359 IBM WebSphere Application Server管理控制台目录遍历漏洞
CVE-2011-0258 Apple QuickTime 'mp4v'解码器信息处理任意代码执行漏洞
CVE-2010-4833 GTK+ modules/engines/ms-windows/xp_theme.c不可信搜索路径漏洞
CVE-2010-4831 GTK+ gdk/win32/gdkinput-win32.c不可信搜索路径漏洞
CVE-2011-3388 Opera不安全站点信息漏洞
CVE-2011-3200 RSyslog 'parseLegacySyslogMsg()'函数缓冲区错误漏洞
CVE-2011-2724 Samba 输入验证错误漏洞
CVE-2011-2660 SUSE Linux Enterprise Desktop vpnc包modify_resolvconf_suse脚本输入验证漏洞
CVE-2011-2184 Linux Kernel security/keys/process_keys.c key_replace_session_keyring函数拒绝服务漏洞
CVE-2011-1776 Linux kernel 缓冲区错误漏洞
CVE-2011-1771 Linux Kernel fs/cifs/file.c cifs_close函数拒绝服务漏洞
CVE-2011-3389 Opera 输入验证错误漏洞

IV. Related Vulnerabilities

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

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