Memory Leak Affecting kernel-debuginfo package, versions <0:4.14.171-105.231.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELDEBUGINFO-1721206
  • published27 Sept 2021
  • disclosed30 Dec 2019

Introduced: 30 Dec 2019

CVE-2019-20096  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-debuginfo to version 0:4.14.171-105.231.amzn1 or higher.
This issue was patched in ALAS-2020-1349.

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.

In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.

CVSS Scores

version 3.1