Race Condition Affecting nbdfuse package, versions <0:1.2.2-1.module+el8.8.0+21148+e83324c8


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ORACLE8-NBDFUSE-5950042
  • published24 Sept 2023
  • disclosed13 Sept 2023

Introduced: 13 Sep 2023

CVE-2023-3301  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Oracle:8 nbdfuse to version 0:1.2.2-1.module+el8.8.0+21148+e83324c8 or higher.
This issue was patched in ELSA-2024-12152.

NVD Description

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

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.

CVSS Scores

version 3.1