Vulnerability in Qemu
CVE-2023-3301
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (16.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2023-3301 (Patch, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Third Party Advisory, Issue Tracking)
- security.netapp.com/advisory/ntap-20231020-0008/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-3301?
- CVE-2023-3301 is a medium-severity vulnerability in Qemu, classified under Reachable Assertion. CVSS score: 5.6/10. Published 2023-09-13.
- How severe is CVE-2023-3301?
- Medium severity. CVSS v3 base score is 5.6 out of 10.