Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel eisa_eeprom_read函数绕过安全检查漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux Kernel的parisc isa-eeprom组件(drivers/parisc/eisa_eeprom.c)中的eisa_eeprom_read函数没有正确地处理输入参数。loff_t是有符型，如果用户传送了负数的ppos参数的话，该函数中的readb()就会绕过安全限制越界读取内存。
CVSS Information
N/A
Vulnerability Type
N/A