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Linux Kernel Denial of Service and IPsec Policy Bypass Print E-mail
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Source: Secunia - Posted by Pax Dickinson   
Vendors/Products Two vulnerabilities have been reported in the Linux kernel, which can be exploited by malicious, local users to cause a DoS (Denial of Service) or bypass certain security restrictions.

1) The "setsockopt()" function is not restricted to privileged users with the "CAP_NET_ADMIN" capability. This can be exploited to bypass IPsec policies or set invalid policies to exploit other vulnerabilities or exhaust available kernel memory.

2) An error in the "syscall32_setup_pages()" function on 64-bit x86 platforms can be exploited to cause a memory leak by executing a malicious 32-bit application with specially crafted ELF headers.

1) The vulnerability has been fixed in version 2.6.13-rc7.
2) The vulnerability has been fixed in version 2.6.13-rc4.

Read this full article at Secunia

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