Out-of-bounds Write Affecting kernel-rt-trace package, versions <0:3.10.0-1160.rt56.1131.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-RHEL7-KERNELRTTRACE-7977153
  • published14 Sept 2024
  • disclosed4 Apr 2020

Introduced: 4 Apr 2020

CVE-2019-20636  (opens in a new tab)
CWE-787  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:7 kernel-rt-trace to version 0:3.10.0-1160.rt56.1131.el7 or higher.
This issue was patched in RHSA-2020:4062.

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.

In the Linux kernel before 5.4.12, drivers/input/input.c has out-of-bounds writes via a crafted keycode table, as demonstrated by input_set_keycode, aka CID-cb222aed03d7.

CVSS Scores

version 3.1