Improper Locking Affecting kernel-tools package, versions <0:3.10.0-327.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.1% (44th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELTOOLS-2054760
  • published26 Jul 2021
  • 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?

Upgrade Centos:7 kernel-tools to version 0:3.10.0-327.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by Centos. See How to fix? for Centos:7 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 Scores

version 3.1