Date: Wed, 23 Dec 2015 11:55:14 -0500 (EST) From: Vladis Dronov <vdronov@...hat.com> To: oss-security@...ts.openwall.com Subject: CVE request -- linux kernel: overlay: fix permission checking for setattr Hello, If possible, we would like to obtain a CVE-ID for the following security issue. I was not able to find an already-assigned CVE-ID for this. A flaw was found in the overlay filesystem of the Linux kernel which allows an unprivileged user to change attributes of the files in the overlay, particularly allowing access to root-only-accessible files like '/etc/shadow'. References: https://bugzilla.redhat.com/show_bug.cgi?id=1291329 - Red Hat public Bugzilla https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545 - an upstream Linux kernel commit fixing the issue. Best regards, Vladis Dronov | Red Hat, Inc. | Product Security Engineer
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