Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Use-after-free vulnerability in net/ipv4/tcp_input.c in the Linux kernel 2.6 before 2.6.20, when IPV6_RECVPKTINFO is set on a listening socket, allows remote attackers to cause a denial of service (kernel panic) via a SYN packet while the socket is in a listening (TCP_LISTEN) state, which is not properly handled and causes the skb structure to be freed.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 'net/ipv4/tcp_input.c'释放后使用漏洞
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 2.6.20之前的2.6版本的net/ipv4/tcp_input.c中存在释放后使用漏洞。当IPV6_RECVPKTINFO被设置成监听套接字时，由于处于监听状态的套接字没有正确的处理结构skb释放时间，远程攻击者可通过向该套接字（TCP_LISTEN）发送一个SYN包造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A