Race Condition Affecting qemu-project/qemu package, versions [,8.1.0-rc0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-QEMUPROJECTQEMU-5816836
  • published3 Aug 2023
  • disclosed19 Jun 2023
  • creditUnknown

Introduced: 19 Jun 2023

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

How to fix?

Upgrade qemu-project/qemu to version 8.1.0-rc0 or higher.

Overview

Affected versions of this package are vulnerable to Race Condition due to a race condition in hot-unplug 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