VDB
DEBIAN-CVE-2021-20257
DEBIAN-CVE-2021-20257
PUBLISHED
CVSS 6.5 MEDIUM
An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | qemu | 0, 0, 0 |
| Debian:12 | qemu | 0, 0, 0 |
| Debian:13 | qemu | 0, 0, 0 |
| Debian:14 | qemu | 0, 0, 0 |
Timeline
- Mar 16, 2022 CVE Published
- Apr 28, 2026 CVE Updated