Out-of-bounds Read Affecting libvirt-daemon-driver-nwfilter package, versions <0:5.7.0-32.module+el8.5.0+20482+a450964e


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-ORACLE8-LIBVIRTDAEMONDRIVERNWFILTER-2604418
  • published10 Apr 2022
  • disclosed18 Feb 2022

Introduced: 18 Feb 2022

CVE-2021-3947  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Oracle:8 libvirt-daemon-driver-nwfilter to version 0:5.7.0-32.module+el8.5.0+20482+a450964e or higher.
This issue was patched in ELSA-2022-9172.

NVD Description

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

A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.

CVSS Scores

version 3.1