CVE:CVE-2004-1056
CNNVD:CNNVD-200501-215
Linux Kernel是开源操作系统Linux所使用的内核。
Linux kernel 2.6中的直接渲染管理器(DRM)驱动存在拒绝服务漏洞。
由于不能正确检查DMA 锁，远程攻击者或本地用户可利用此漏洞导致X服务器崩溃形成拒绝服务，也能利用此漏洞修改视频输出。
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