Linux Kernel TCP_MAXSEG本地拒绝服务漏洞

漏洞起因
异常条件处理失败错误
危险等级

 
影响系统
Linux kernel 2.6.37
Linux kernel 2.6.36
Linux kernel 2.6.35
Linux kernel 2.6.35
Linux kernel 2.6.35
Linux kernel 2.6.34
Linux kernel 2.6.34
Linux kernel 2.6.33 .1
Linux kernel 2.6.33
Linux kernel 2.6.32 .9
Linux kernel 2.6.32
Linux kernel 2.6.31 5
Linux kernel 2.6.31 13
Linux kernel 2.6.31 .2
Linux kernel 2.6.31 .11
Linux kernel 2.6.31 -rc7
Linux kernel 2.6.31 -rc6
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.31 -rc3
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.31 -rc1
Linux kernel 2.6.31
Linux kernel 2.6.30 .10
Linux kernel 2.6.30 .1
Linux kernel 2.6.30 -rc6
Linux kernel 2.6.30 -rc5
Linux kernel 2.6.30 -rc3
Linux kernel 2.6.30 -rc2
Linux kernel 2.6.30 -rc1
Linux kernel 2.6.30
Linux kernel 2.6.29 .4
Linux kernel 2.6.29 .1
Linux kernel 2.6.29 -git8
Linux kernel 2.6.29 -git14
Linux kernel 2.6.29 -git1
Linux kernel 2.6.29
Linux kernel 2.6.28 .9
Linux kernel 2.6.28 .8
Linux kernel 2.6.28 .6
Linux kernel 2.6.28 .5
Linux kernel 2.6.28 .3
Linux kernel 2.6.28 .2
Linux kernel 2.6.28 .1
Linux kernel 2.6.28 -rc7
Linux kernel 2.6.28 -rc5
Linux kernel 2.6.28 -rc1
Linux kernel 2.6.28 -git7
Linux kernel 2.6.28
Linux kernel 2.6.27 .46
Linux kernel 2.6.36-rc8
Linux kernel 2.6.36-rc6
Linux kernel 2.6.36-rc5
Linux kernel 2.6.36-rc4
Linux kernel 2.6.36-rc1
Linux kernel 2.6.35.5
Linux kernel 2.6.35.4
Linux kernel 2.6.35.1
Linux kernel 2.6.35.1
Linux kernel 2.6.35-rc6
Linux kernel 2.6.35-rc5-git5
Linux kernel 2.6.35-rc5
Linux kernel 2.6.35-rc4
Linux kernel 2.6.35-rc1
Linux kernel 2.6.34.3
Linux kernel 2.6.34.2
Linux kernel 2.6.34.1
Linux kernel 2.6.34-rc6
Linux kernel 2.6.34-rc5
Linux kernel 2.6.34-rc4
Linux kernel 2.6.34-rc2-git1
Linux kernel 2.6.34-rc2
Linux kernel 2.6.34-rc1
Linux kernel 2.6.33.7
Linux kernel 2.6.33-rc8
Linux kernel 2.6.33-rc7
Linux kernel 2.6.33-rc7
Linux kernel 2.6.33-rc6-git5
Linux kernel 2.6.33-rc6
Linux kernel 2.6.33-rc5
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.33-rc4
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.33-rc1
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.32.8
Linux kernel 2.6.32.7
Linux kernel 2.6.32.6
Linux kernel 2.6.32.5
Linux kernel 2.6.32.4
Linux kernel 2.6.32.3
Linux kernel 2.6.32.22
Linux kernel 2.6.32.2
Linux kernel 2.6.32.18
Linux kernel 2.6.32.17
Linux kernel 2.6.32.16
Linux kernel 2.6.32.15
Linux kernel 2.6.32.14
Linux kernel 2.6.32.13
Linux kernel 2.6.32.12
Linux kernel 2.6.32.11
Linux kernel 2.6.32.10
Linux kernel 2.6.32.1
Linux kernel 2.6.32-rc8
Linux kernel 2.6.32-rc7
Linux kernel 2.6.32-rc5
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.32-rc4
Linux kernel 2.6.32-rc3
Linux kernel 2.6.32-rc2
Linux kernel 2.6.32-rc1
Linux kernel 2.6.31.6
Linux kernel 2.6.31.4
Linux kernel 2.6.31.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.31-rc9
Linux kernel 2.6.31-rc8
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.31-rc5-git3
Linux kernel 2.6.31-rc4
Linux kernel 2.6.31-rc2
Linux kernel 2.6.31-git11
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.30.5
Linux kernel 2.6.30.4
Linux kernel 2.6.30.3
Linux kernel 2.6.29-rc2-git1
Linux kernel 2.6.29-rc2
Linux kernel 2.6.29-rc1
Linux kernel 2.6.28.4
Linux kernel 2.6.28.10
Linux kernel 2.6.28-rc7
Linux kernel 2.6.28-rc6
Linux kernel 2.6.28-rc5
Linux kernel 2.6.28-rc5
Linux kernel 2.6.28-rc4
Linux kernel 2.6.27.54
Linux kernel 2.6.27.51
Linux kernel 2.6.27.49
Linux kernel 2.6.27.26
 
不受影响系统
 
危害
本地攻击者可以利用漏洞使内核崩溃。
 
攻击所需条件
攻击者必须访问Linux。
 
漏洞信息
Linux是一款开放源代码的操作系统。
用户程序如果传递TCP_MAXSEG(TCP最大段大小)等于12(或者TCPOLEN_TSTAMP_ALIGNED),导致在tcp_select_initial_window中触发除零错误而时内核崩溃。
 
测试方法
 
厂商解决方案
用户可参考如下供应商提供的安全公告获得补丁信息:
http://www.spinics.net/lists/netdev/msg146495.html
 
漏洞提供者
Steve Chen
 
漏洞消息链接
http://permalink.gmane.org/gmane.linux.network/177550
http://secunia.com/advisories/42172/

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