CVE-2011-1927

The CVE-2011-1927 entry concerns the Linux kernel: the ip_expire function in net/ipv4/ip_fragment.c before 2.6.39 fails to properly construct ICMP_TIME_EXCEEDED after a timeout, allowing remote attackers to trigger a NULL pointer dereference and crash parts of the kernel via crafted fragmented pa...

CVE-2011-1927: Undefined Security Weakness

The ipexpire function in net/ipv4/ipfragment.c in the Linux kernel before 2.6.39 does not properly construct ICMPTIMEEXCEEDED packets after a timeout, which allows remote attackers to cause a denial of service invalid pointer dereference via crafted fragmented packets...

Linux Kernel "ip_expire()"拒绝服务漏洞

CVE ID：CVE-2011-1927 Linux是一款开放源代码的操作系统。 net/ipv4/ipfragment.c提供的"ipexpire"函数存在错误，传递给devnet函数的参数缺少校验，向系统发送分片报文可导致由空指针引用的内核崩溃。 Linux Kernel 2.6.x 厂商解决方案 Linux Kernel 2.6.39已经修复此漏洞，建议用户下载使用： http://www.kernel.org/...