CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 6.9
CWE Name:  Permissions Privileges and Access Controls
Summary: ** disputed ** kernel/ptrace.c in the linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace, waiting for a root process to enter that namespace with an unsafe uid or gid, and then using the ptrace system call.  note: the vendor states "there is no kernel bug here."
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: LOCAL
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2016-02-08
Last Modified Date: 2017-11-04