CVE-2012-4508 Information

Description

Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dee1f973ca341c266229faa5a1a5bb268bed3531 http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html http://rhn.redhat.com/errata/RHSA-2012-1540.html http://rhn.redhat.com/errata/RHSA-2013-0496.html http://rhn.redhat.com/errata/RHSA-2013-1519.html http://rhn.redhat.com/errata/RHSA-2013-1783.html http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16 http://www.openwall.com/lists/oss-security/2012/10/25/1 http://www.ubuntu.com/usn/USN-1645-1 http://www.ubuntu.com/usn/USN-1899-1 http://www.ubuntu.com/usn/USN-1900-1 https://bugzilla.redhat.com/show_bug.cgi?id=869904 https://github.com/torvalds/linux/commit/dee1f973ca341c266229faa5a1a5bb268bed3531 https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html