Off-by-one Error 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-2597785
  • published10 Apr 2022
  • disclosed18 Feb 2022

Introduced: 18 Feb 2022

CVE-2021-3930  (opens in a new tab)
CWE-193  (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 off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.

CVSS Scores

version 3.1