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CORE IMPACT v9 - Exploits Update (Fri Oct 09 2009)
Linux Kernel Sock_Sendpage Local Privilege Escalation Exploit
Exploits/Local [Linux]
• Fri Oct 09 2009
The Linux kernel 2.6.0 through 2.6.30.4, and 2.4.4 through 2.4.37.4, does not initialize all function pointers for socket operations in proto_ops structures, which allows local users to trigger a NULL pointer dereference and gain privileges by using mmap to map page zero, placing arbitrary code on this page, and then invoking an unavailable operation, as demonstrated by the sendpage operation (sock_sendpage function) on a PF_PPPOX socket
Exploits Vulnerabiltiy: CVE-2009-2692