CVE-2010-2525 on Ubuntu 12.04 LTS (precise) - medium.
Description:
Upstream commit 2646a1f6 (2.6.33-rc1) fixed an interesting gfs2 acl issue late last year. Dan Rosenberg discovered a flaw in gfs2 file system's handling of acls (access control lists). An unprivileged local attacker could exploit this flaw to gain access or execute any file stored in the gfs2 file system.