Missing Release of Resource after Effective Lifetime Affecting libvirt package, versions <0:8.0.0-5.2.module+el8.6.0+998+252a5635


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.72% (82nd percentile)

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  • Snyk IDSNYK-ROCKY8-LIBVIRT-3230134
  • published14 Jan 2023
  • disclosed16 Mar 2022

Introduced: 16 Mar 2022

CVE-2022-26353  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 libvirt to version 0:8.0.0-5.2.module+el8.6.0+998+252a5635 or higher.
This issue was patched in RLSA-2022:5821.

NVD Description

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

A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0.

CVSS Scores

version 3.1