CVE-2016-2853

The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

• CWE-269

• http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/Exploit, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/02/24/9Exploit, Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2021/10/18/1Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/96839Broken Link
• https://sourceforge.net/p/aufs/mailman/message/34864744/Third Party Advisory
• http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/Exploit, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/02/24/9Exploit, Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2021/10/18/1Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/96839Broken Link
• https://sourceforge.net/p/aufs/mailman/message/34864744/Third Party Advisory

Published

May 2, 2016

Last Modified

Jun 17, 2026

Status

Modified

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