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Recommended Type: Patch

Security Advisory - SMP ordering hole in fcntl_setlk() - CVE-2008-1669

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

Description

Linux kernel before 2.6.25.2 does not apply a certain protection mechanism for fcntl functionality, which allows local users to (1) execute code in parallel or (2) exploit a race condition to obtain "re-ordered access to the descriptor table."

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-1669 IDENTIFIER = WIND00122879

Product Version

Linux Platforms 2.0, Linux Platforms 1.x

Downloads

WIND00123783.zip

Installation Notes

WIND00122822.zip for 2.0
WIND00123783.zip for 1.4
WIND00123784.zip 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.