CVE-2023-3301
Triggerable assertion due to race condition in hot-unplug
CVSS Score
5.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-617 |
| Vendor | n/a |
| Product | qemu |
| Published | Sep 13, 2023 |
| Last Updated | Feb 13, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
n/a / qemu
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8 Advanced Virtualization
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat OpenStack Platform 13 (Queens)
All versions affected Fedora / Extra Packages for Enterprise Linux
All versions affected Fedora / Fedora
All versions affected References
Credits
This issue was discovered by Eugenio Perez Martin (Red Hat).