CWE Code: 362
Vulnerability Type: privilege_escalation
CVSS Score: 4.4
CWE Name:  Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Summary: race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability.
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: LOCAL
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2016-08-06
Last Modified Date: 2016-11-28