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Date: December 28, 2016
fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts.
Related Resources (5)
Weakness Type (CWE)
Uncontrolled Resource Consumption ('Resource Exhaustion')CWE-400
Upgrade to version 4.9
|Attack Vector (AV):||LOCAL|
|Attack Complexity (AC):||HIGH|
|Privileges Required (PR):||LOW|
|User Interaction (UI):||NONE|
|Access Vector (AV):||LOCAL|
|Access Complexity (AC):||MEDIUM|