Date: Tue, 10 Jun 2014 14:49:03 -0700 From: Andy Lutomirski <luto@...capital.net> To: oss-security@...ts.openwall.com Subject: CVE-2014-4014: Linux kernel user namespace bug The internal function inode_capable was used inappropriately. Depending on configuration, this may be usable to escalate privileges. A cursory inspection of my Fedora box suggests that it is not vulnerable to the obvious way to exploit this bug. The fix should appear in Linus' -master shortly, and it's tagged for stable. In the mean time, I've attached it here. I'll follow up in a day or two with a description of the actual bug, or one of you can try to beat me to it. --Andy View attachment "0001-fs-userns-Change-inode_capable-to-capable_wrt_inode_.patch" of type "text/x-diff" (7387 bytes)
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