Missing Release of Resource after Effective Lifetime Affecting qemu-pr-helper package, versions <17:6.2.0-11.el9_0.3


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.53% (77th percentile)

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  • Snyk IDSNYK-ALMALINUX9-QEMUPRHELPER-5644802
  • published28 May 2023
  • disclosed1 Jul 2022

Introduced: 1 Jul 2022

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

How to fix?

Upgrade AlmaLinux:9 qemu-pr-helper to version 17:6.2.0-11.el9_0.3 or higher.
This issue was patched in ALSA-2022:5263.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-pr-helper package and not the qemu-pr-helper package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 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