On Mon, Feb 13, 2012 at 8:57 PM, Marco d'Itri wrote:
> On Feb 13, Ian Jackson  wrote:
>
>> The rule would be that if:
>>   * A file is being opened in a sticky directory
>>   * The file is going to be created by this operation
>>   * O_EXCL was not specified
>> then the syscall fails with EPERM.
> This should be easy to implement as a LSM.

Kees Cook implemented protections against symlink attacks in Yama (an LSM):

https://lwn.net/Articles/393012/

Of course LSMs don't yet stack so it cannot be combined with SELinux etc.

-- 
bye,
pabs

http://wiki.debian.org/PaulWise


--
To UNSUBSCRIBE, email to debian-devel-requ...@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Archive: 
http://lists.debian.org/CAKTje6EpvGTpX2mDV-9O9yvQuYg1asMHN=bz8trwevvnqz-...@mail.gmail.com

Reply via email to