CVE-2011-0463 Information

Description

The ocfs2_prepare_page_for_write function in fs/ocfs2/aops.c in the Oracle Cluster File System 2 (OCFS2) subsystem in the Linux kernel before 2.6.39-rc1 does not properly handle holes that cross page boundaries which allows local users to obtain potentially sensitive information from uninitialized disk locations by reading a file.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=272b62c1f0f6f742046e45b50b6fec98860208a0 http://oss.oracle.com/pipermail/ocfs2-devel/2011-February/007846.html http://secunia.com/advisories/43966 http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc1 http://www.ubuntu.com/usn/USN-1146-1 https://bugzilla.novell.com/show_bug.cgi?id=673037