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Optional Type: Patch

Security Advisory - Linux Kernel - CVE-2008-2136

Released: Jun 10, 2008     Updated: Jun 10, 2008


For IPv6 over IPv4 tunnel device - Simple Internet Transition (SIT), an exploitable remote memory leak happens when pskb_may_pull() fails in function ipip6_rcv() in net/ipv6/sit.c.

Memory leak in the ipip6_rcv function in net/ipv6/sit.c in the Linux kernel before allows remote attackers to cause a denial of service (memory consumption) via network traffic to a Simple Internet Transition (SIT) tunnel interface, related to the pskb_may_pull and kfree_skb functions, and management of an skb reference count. IDENTIFIER = WIND00123369

Product Version

Linux Platforms 2.0, Linux Platforms 1.x


Installation Notes

Installation Notes for 2.0 for 1.4 for 1.5

1. Unzip the patch under [install_dir]/updates

2. Install the patch CD by entering the patch CD directory and run setup_linux.

3. This is a source only patch so you will have to build the kernel

4. Issue a make fs and make the kernel in a configured directory.

5. Upload the kernel and rootfs into the target and boot it up.

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