Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-uek-devel package, versions <0:4.14.35-2047.507.7.5.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2600950
  • 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:7 kernel-uek-devel to version 0:4.14.35-2047.507.7.5.el7uek or higher.
This issue was patched in ELSA-2021-9460.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle. See How to fix? for Oracle:7 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