Out-of-Bounds Affecting kernel-rt-debug-modules package, versions <0:4.18.0-240.rt7.54.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGMODULES-3841408
  • published26 Jul 2021
  • disclosed28 Dec 2019

Introduced: 28 Dec 2019

CVE-2019-20054  (opens in a new tab)
CWE-119  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-rt-debug-modules to version 0:4.18.0-240.rt7.54.el8 or higher.
This issue was patched in RHSA-2020:4609.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules package and not the kernel-rt-debug-modules package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e.

CVSS Scores

version 3.1