Resource Exhaustion Affecting kernel-rt-debug package, versions <0:4.18.0-193.rt13.51.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
2.94% (92nd percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUG-3673937
  • published26 Jul 2021
  • disclosed18 Feb 2019

Introduced: 18 Feb 2019

CVE-2019-8980  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug to version 0:4.18.0-193.rt13.51.el8 or higher.
This issue was patched in RHSA-2020:1567.

NVD Description

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

A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.

CVSS Scores

version 3.1