VDB
DEBIAN-CVE-2021-3416
DEBIAN-CVE-2021-3416
PUBLISHED
CVSS 6 MEDIUM
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
Risk Scores
CVSS 3.1
6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | qemu | 0, 0, 0 |
| Debian:14 | qemu | 0, 0, 0 |
| Debian:12 | qemu | 0, 0, 0 |
| Debian:11 | qemu | 0, 0, 0 |
Timeline
- Mar 18, 2021 CVE Published
- Apr 28, 2026 CVE Updated