Memory Leak Affecting kernel-tools package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELTOOLS-1972482
  • published12 Sept 2021
  • disclosed20 Aug 2021

Introduced: 20 Aug 2021

CVE-2021-3764  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-tools to version 0:4.18.0-372.9.1.el8 or higher.

NVD Description

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

A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1