Use After Free Affecting kernel-rt-trace package, versions <0:3.10.0-1127.8.2.rt56.1103.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (27th 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 Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS7-KERNELRTTRACE-2165803
  • published26 Jul 2021
  • disclosed4 Sept 2019

Introduced: 4 Sep 2019

CVE-2017-18595  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-rt-trace to version 0:3.10.0-1127.8.2.rt56.1103.el7 or higher.

NVD Description

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

An issue was discovered in the Linux kernel before 4.14.11. A double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c.

CVSS Scores

version 3.1