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RootSSV:12642HistoryNov 16, 2009 - 12:00 a.m.
Linux Kernel megaraid_sas驱动不安全文件权限漏洞
2009-11-1600:00:00
Root
www.seebug.org
19
0.0004 Low
EPSS
Percentile
8.6%
BUGTRAQ ID: 37019
CVE ID: CVE-2009-3889
Linux Kernel是开放源码操作系统Linux所使用的内核。
Linux所使用的megaraid_sas驱动中sysfs系统文件暴露了一些驱动属性，其中一些属性是完全可写的，本地攻击者可以更改驱动的行为，如设置调试日志级别、中断I/O模式等。
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：
1. ls -l /sys/bus/pci/drivers/megaraid_sas/dbg_lvl
2. ls -l /sys/bus/pci/drivers/megaraid_sas/poll_mode_io
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