fs/namespace.c in the Linux kernel before 4.0.2 processes MNT_DETACH umount2 system calls without verifying that the MNT_LOCKED flag is unset, which allows local users to bypass intended access restrictions and navigate to filesystem locations beneath a mount by calling umount2 within a user namespace.
References
Configurations
History
21 Nov 2024, 02:21
Type | Values Removed | Values Added |
---|---|---|
References | () http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce07d891a0891d3c0d0c2d73d577490486b809e1 - Vendor Advisory | |
References | () http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html - | |
References | () http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html - | |
References | () http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html - | |
References | () http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2 - | |
References | () http://www.openwall.com/lists/oss-security/2015/04/17/4 - | |
References | () http://www.securityfocus.com/bid/74226 - | |
References | () http://www.spinics.net/lists/linux-containers/msg30786.html - | |
References | () https://bugzilla.redhat.com/show_bug.cgi?id=1226751 - | |
References | () https://github.com/torvalds/linux/commit/ce07d891a0891d3c0d0c2d73d577490486b809e1 - Vendor Advisory | |
References | () https://groups.google.com/forum/message/raw?msg=linux.kernel/HnegnbXk0Vs/RClojwJzAFEJ - |
Information
Published : 2016-05-02 10:59
Updated : 2024-11-21 02:21
NVD link : CVE-2014-9717
Mitre link : CVE-2014-9717
CVE.ORG link : CVE-2014-9717
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-284
Improper Access Control