Loop with Unreachable Exit Condition ('Infinite Loop') Affecting ocaml-libguestfs package, versions <1:1.40.2-28.0.1.module+el8.5.0+20363+3abb8f5b


Severity

Recommended
low

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ORACLE8-OCAMLLIBGUESTFS-2597834
  • published10 Apr 2022
  • disclosed16 Mar 2022

Introduced: 16 Mar 2022

CVE-2021-20257  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Oracle:8 ocaml-libguestfs to version 1:1.40.2-28.0.1.module+el8.5.0+20363+3abb8f5b or higher.
This issue was patched in ELSA-2021-5238.

NVD Description

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

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1