Race Condition Affecting kernel-rt-devel package, versions <0:3.10.0-957.rt56.910.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
25.17% (96th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL7-KERNELRTDEVEL-4880410
  • published26 Jul 2021
  • disclosed10 Feb 2017

Introduced: 10 Feb 2017

CVE-2017-10661  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade RHEL:7 kernel-rt-devel to version 0:3.10.0-957.rt56.910.el7 or higher.
This issue was patched in RHSA-2018:3096.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-devel package and not the kernel-rt-devel package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.

CVSS Base Scores

version 3.1