PRIOn knowledge basePRION:CVE-2010-2066Design/Logic Flaw
The mext_check_arguments function in fs/ext4/move_extent.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a MOVE_EXT ioctl call that specifies this file as a donor.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
lists.opensuse.org/opensuse-security-announce/2010-08/msg00000.html
secunia.com/advisories/43315
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
www.openwall.com/lists/oss-security/2010/06/07/1
www.openwall.com/lists/oss-security/2010/06/09/1
www.redhat.com/support/errata/RHSA-2010-0610.html
www.securityfocus.com/archive/1/516397/100/0/threaded
www.ubuntu.com/usn/USN-1000-1
www.vmware.com/security/advisories/VMSA-2011-0003.html
bugzilla.redhat.com/show_bug.cgi?id=601006
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