Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-docs package, versions <4.12.14-150.78.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES150-KERNELDOCS-2663953
  • published14 Apr 2022
  • disclosed7 Dec 2021

Introduced: 7 Dec 2021

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

How to fix?

Upgrade SLES:15.0 kernel-docs to version 4.12.14-150.78.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-docs package and not the kernel-docs package as distributed by SLES. See How to fix? for SLES:15.0 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