It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node. An authenticated attacker could use this to create an arbitrary device and read data from any device attached to the glusterfs server node.
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{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "binaries": [ { "binary_name": "glusterfs-client", "binary_version": "3.13.2-1ubuntu1+esm1" }, { "binary_name": "glusterfs-client-dbgsym", "binary_version": "3.13.2-1ubuntu1+esm1" }, { "binary_name": "glusterfs-common", "binary_version": "3.13.2-1ubuntu1+esm1" }, { "binary_name": "glusterfs-common-dbgsym", "binary_version": "3.13.2-1ubuntu1+esm1" }, { "binary_name": "glusterfs-server", "binary_version": "3.13.2-1ubuntu1+esm1" }, { "binary_name": "glusterfs-server-dbgsym", "binary_version": "3.13.2-1ubuntu1+esm1" } ], "ubuntu_priority": "medium" }