Memory Leak Affecting kernel-debuginfo package, versions <0:4.14.106-79.86.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.94% (92nd percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELDEBUGINFO-1717231
  • published27 Sept 2021
  • disclosed21 Feb 2019

Introduced: 21 Feb 2019

CVE-2019-8980  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-debuginfo to version 0:4.14.106-79.86.amzn1 or higher.
This issue was patched in ALAS-2019-1179.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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