Missing Release of Resource after Effective Lifetime Affecting virt:rhel/libvirt-daemon package, versions <0:8.0.0-5.2.module+el8.6.0+15256+3a0914fe


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-4290756
  • published12 Mar 2022
  • disclosed28 Feb 2022

Introduced: 28 Feb 2022

CVE-2022-26354  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:rhel/libvirt-daemon to version 0:8.0.0-5.2.module+el8.6.0+15256+3a0914fe or higher.
This issue was patched in RHSA-2022:5821.

NVD Description

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

A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results. Affected QEMU versions <= 6.2.0.

CVSS Scores

version 3.1