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RootSSV:12088HistoryAug 21, 2009 - 12:00 a.m.
Linux kernel execve函数本地拒绝服务漏洞
2009-08-2100:00:00
Root
www.seebug.org
25
0.001 Low
EPSS
Percentile
18.0%
CVE(CAN) ID: CVE-2009-2848
Linux Kernel是开放源码操作系统Linux所使用的内核。
Linux Kernel的execve函数没有清除current->clear_child_tid指针，在处理线程创建和退出过程中启用了CLONE_CHILD_SETTID或CLONE_CHILD_CLEARTID的clone系统调用会导致内存破坏。本地攻击者可以利用这个漏洞导致拒绝服务。
Linux kernel 2.6.x
厂商补丁：
Linux
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：
http://git.kernel.org/linus/9c8a8228d0827e0d91d28527209988f672f97d28
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