CVE:CVE-2004-1069
CNNVD:CNNVD-200501-122
SELinux（Security-Enhanced Linux）是美国国家安全局（NSA）和SCC（Secure Computing Corporation）共同开发的一个基于Linux系统的强制访问控制安全模块。
SELinux 2.6.x至2.6.9中版本存在拒绝服务漏洞。
由于sock_dgram_sendmsg函数没有正确处理SOCK_SEQPACKET sockets，远程攻击者可利用此漏洞使系统内核崩溃，导致拒绝服务。
solution:Upgrade linux linux_kernel to a higher version than 2.6.0,2.6.0:test1,2.6.0:test10,2.6.0:test11,2.6.0:test2,2.6.0:test3,2.6.0:test4,2.6.0:test5,2.6.0:test6,2.6.0:test7,2.6.0:test8,2.6.0:test9,2.6.1,2.6.1:rc1,2.6.1:rc2,2.6.2,2.6.3,2.6.4,2.6.5,2.6.6,2.6.6:rc1,2.6.7,2.6.7:rc1,2.6.8,2.6.8:rc1,2.6.8:rc2,2.6.8:rc3,2.6.9:2.6.20,2.6.10:rc2,2.6_test9_cvs,and avoid the version 2.6.0,2.6.0:test1,2.6.0:test10,2.6.0:test11,2.6.0:test2,2.6.0:test3,2.6.0:test4,2.6.0:test5,2.6.0:test6,2.6.0:test7,2.6.0:test8,2.6.0:test9,2.6.1,2.6.1:rc1,2.6.1:rc2,2.6.2,2.6.3,2.6.4,2.6.5,2.6.6,2.6.6:rc1,2.6.7,2.6.7:rc1,2.6.8,2.6.8:rc1,2.6.8:rc2,2.6.8:rc3,2.6.9:2.6.20,2.6.10:rc2,2.6_test9_cvs; Upgrade ubuntu ubuntu_linux to a higher version than 4.1,and avoid the version 4.1