WhiteSource Vulnerability Database
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Date: June 20, 2018
A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process's memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which makes a read() call to the /proc/<pid>/cmdline (or /proc/<pid>/environ) files to block indefinitely (denial of service) or for some controlled time (as a synchronization primitive for other attacks).
Weakness Type (CWE)
Upgrade to version 4.17.
|Attack Vector (AV):||NETWORK|
|Attack Complexity (AC):||HIGH|
|Privileges Required (PR):||LOW|
|User Interaction (UI):||NONE|
|Access Vector (AV):||NETWORK|
|Access Complexity (AC):||MEDIUM|