VULNERABILITY INTELLIGENCE

CVE-2015-4170

CVSS score4.7 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2016-05-02
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

Race condition in the ldsem_cmpxchg function in drivers/tty/tty_ldsem.c in the Linux kernel before 3.13-rc4-next-20131218 allows local users to cause a denial of service (ldsem_down_read and ldsem_down_write deadlock) by establishing a new tty thread during shutdown of a previous tty thread.

Weakness classification

  • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Primary references