CVE-2006-4813 - Jovial Pocho

Description

The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions which allows local users to read portions of files that have been unlinked.

Reference

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207463 http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=152becd26e0563aefdbc4fd1fe491928efe92d1f http://www.us.debian.org/security/2006/dsa-1233 http://www.ubuntu.com/usn/usn-395-1 http://secunia.com/advisories/23370 http://secunia.com/advisories/23384 http://www.novell.com/linux/security/advisories/2006_79_kernel.html http://www.securityfocus.com/bid/21522 http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm http://rhn.redhat.com/errata/RHSA-2007-0014.html http://secunia.com/advisories/23752 http://secunia.com/advisories/23997 http://secunia.com/advisories/24206 http://www.mandriva.com/security/advisories?name=MDKSA-2007:012 http://www.mandriva.com/security/advisories?name=MDKSA-2007:025 http://secunia.com/advisories/23474 http://osvdb.org/31376 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11701