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", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "3.7.6-1ubuntu1+esm1", "binary_name": "glusterfs-client" }, { "binary_version": "3.7.6-1ubuntu1+esm1", "binary_name": "glusterfs-client-dbgsym" }, { "binary_version": "3.7.6-1ubuntu1+esm1", "binary_name": "glusterfs-common" }, { "binary_version": "3.7.6-1ubuntu1+esm1", "binary_name": "glusterfs-common-dbgsym" }, { "binary_version": "3.7.6-1ubuntu1+esm1", "binary_name": "glusterfs-dbg" }, { "binary_version": "3.7.6-1ubuntu1+esm1", "binary_name": "glusterfs-server" }, { "binary_version": "3.7.6-1ubuntu1+esm1", "binary_name": "glusterfs-server-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "3.13.2-1ubuntu1+esm1", "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" } ] }