Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The l2tp_ip_recvmsg function in net/l2tp/l2tp_ip.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel ‘l2tp_ip_recvmsg’函数内存泄露漏洞
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 3.12.3及之前的版本中的net/l2tp/l2tp_ip.c文件中的‘l2tp_ip_recvmsg’函数中存在内存泄露漏洞。当执行(1)recvfrom(2)recvmmsg或(3)recvmsg系统调用时，本地攻击者可利用该漏洞获取内核内存的敏感信息。
CVSS Information
N/A
Vulnerability Type
N/A