Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-tools-libs package, versions <0:4.18.0-348.el8


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELTOOLSLIBS-2592098
  • published10 Apr 2022
  • disclosed5 Aug 2021

Introduced: 5 Aug 2021

CVE-2021-3679  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-tools-libs to version 0:4.18.0-348.el8 or higher.
This issue was patched in ELSA-2021-4356.

NVD Description

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

A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.

CVSS Scores

version 3.1