Improper Locking Affecting realtime-kernel package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-RHEL10-REALTIMEKERNEL-9857379
  • published28 Apr 2025
  • disclosed19 Jan 2015

Introduced: 19 Jan 2015

CVE-2015-4170  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 realtime-kernel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream realtime-kernel package and not the realtime-kernel package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1