Mandriva Linux Security Advisory 2010-194 – Stack-based buffer overflow in the is_git_directory function in setup.c in Git before 1.7.2.1 allows local users to gain privileges via a long gitdir: field in a.git file in a working copy. The updated packages have been patched to correct this issue.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/94470/MDVSA-2010-194.txt
Source: https://packetstormsecurity.com/files/94470/Mandriva-Linux-Security-Advisory-2010-194.html