CVE-2025-21920
Public on 2025-04-01
Modified on 2025-04-17
Description
In the Linux kernel, the following vulnerability has been resolved:
vlan: enforce underlying device type
vlan: enforce underlying device type
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2025-05-08 | ALAS-2025-1977 | Fixed |
| Amazon Linux 2 - Core | kernel | 2025-05-08 | ALAS2-2025-2854 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2025-04-09 | ALAS2KERNEL-5.10-2025-088 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2025-03-26 | ALAS2KERNEL-5.15-2025-069 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2025-03-26 | ALAS2KERNEL-5.4-2025-097 | Fixed |
| Amazon Linux 2023 | kernel | 2025-03-26 | ALAS2023-2025-915 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.355-275.603 | 2025-05-21 | ALAS2LIVEPATCH-2025-233 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.355-276.618 | 2025-05-21 | ALAS2LIVEPATCH-2025-232 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.355-276.639 | 2025-05-21 | ALAS2LIVEPATCH-2025-230 | Fixed |
| Amazon Linux 2023 | kernel6.12 | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| NVD | CVSSv3 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |