SRU request for LP#137978 (6.0.6 LTS)

Stefan Bader stefan.bader at canonical.com
Wed Sep 3 17:27:38 UTC 2008


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Colin Ian King wrote:
> https://bugs.launchpad.net/ubuntu/+bug/137978
> 
> SRU Justification:
> 
> Impact: Running wine applications from a FAT filesystem causes the wine
> process to get stuck in a kernel "D" state and cannot be killed. This
> prevents a user from unmounting the FAT filesystem.
> 
> Fix: Replace a typo in fat_ioctl_readdir() introduced during
> CVE-2007-2878, where the second semaphore down() should in fact be an
> up().
> 
> Testcase: Without the patch one can trip the bug by:
> 
> 1. Mount any FAT filesystem
> 2. Copy some file.exe file to it.
> 3. Run: wine /media/fattest/file.exe
> 4. Wine hangs and cannot be killed.
> 
> With the patch, this works. This has been tested by myself on a cleanly
> installed 6.0.6 LTS i386 Desktop version inside VirtualBox, see note:
> 
> https://bugs.launchpad.net/ubuntu/+bug/137978/comments/11
> 
> Patch attached.
> 
> 
ACK

- --

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