Race Condition Affecting kernel-rt-trace package, versions <0:3.10.0-514.16.1.rt56.437.el7


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL7-KERNELRTTRACE-5182678
  • published26 Jul 2021
  • disclosed7 Mar 2017

Introduced: 7 Mar 2017

CVE-2017-2636  (opens in a new tab)
CWE-362  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:7 kernel-rt-trace to version 0:3.10.0-514.16.1.rt56.437.el7 or higher.
This issue was patched in RHSA-2017:0931.

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 RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.

CVSS Scores

version 3.1