CVE-2023-3301
5.6
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
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.
How to fix CVE-2023-3301
To remediate CVE-2023-3301, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:5.2+dfsg-11+deb11u3 or later
Is CVE-2023-3301 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:5.2+dfsg-11+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H |