Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The log_prefix function in kernel/printk.c in the Linux kernel 3.x before 3.4.33 does not properly remove a prefix string from a syslog header, which allows local users to cause a denial of service (buffer overflow and system crash) by leveraging /dev/kmsg write access and triggering a call_console_drivers function call.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel ‘call_console_drivers()’本地拒绝服务漏洞
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 3.4.33之前的3.x版本中的kernel/printk.c中的‘log_prefix’函数中存在漏洞，该漏洞源于程序没有正确地删除从系统日志标题中删除前缀字符串。通过利用对/dev/kmsg目录的写访问权限，触发‘call_console_drivers’函数的调用，本地攻击者利用该漏洞导致拒绝服务（缓冲区溢出和系统
CVSS Information
N/A
Vulnerability Type
N/A