Date: Tue, 6 Oct 2009 17:14:34 -0400 (EDT) From: Josh Bressers <bressers@...hat.com> To: oss-security <oss-security@...ts.openwall.com> Cc: coley <coley@...re.org> Subject: Kernel ecryptfs CVE id (CVE-2009-2908) As some of you may have noticed, the 18.104.22.168 kernel contained this bit in the changelog: eCryptfs: Prevent lower dentry from going negative ... The commit is here: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.31.y.git;a=commit;h=afc2b6932f48f200736d3e36ad66fee0ec733136 I've assigned this CVE-2009-2908. At the very least it's a DoS as it causes an OOPS due to a NULL pointer dereference, it may allow arbitrary code execution as the structure in question does contain function pointers. If someone who knows more than me wants to chime in here, please do. I've filed a bug in the Red Hat Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=527534 It doesn't really contain any additional data. If I discover anything new, I'll add my comments there. Thanks. -- JB
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