CVE-2025-40173
Public on 2025-11-12
Modified on 2025-11-13
Description
In the Linux kernel, the following vulnerability has been resolved:
net/ip6_tunnel: Prevent perpetual tunnel growth
net/ip6_tunnel: Prevent perpetual tunnel growth
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2026-02-19 | ALAS2KERNEL-5.10-2026-112 | Fixed |
| Amazon Linux 2 - Core | kernel | 2026-02-05 | ALAS2-2026-3161 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2025-12-08 | ALAS2KERNEL-5.15-2025-094 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2025-11-10 | ALAS2KERNEL-5.4-2025-114 | Fixed |
| Amazon Linux 2023 | kernel | 2025-12-08 | ALAS2023-2025-1297 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.245-241.976 | 2026-01-05 | ALAS2LIVEPATCH-2025-283 | Fixed |
| Amazon Linux 2023 | kernel-livepatch-6.1.155-176.282 | 2026-01-07 | ALAS2023LIVEPATCH-2025-111 | Fixed |
| Amazon Linux 2023 | kernel-livepatch-6.1.156-177.286 | 2026-01-07 | ALAS2023LIVEPATCH-2025-112 | Fixed |
| Amazon Linux 2023 | kernel-livepatch-6.12.53-69.119 | 2026-01-07 | ALAS2023LIVEPATCH-2025-110 | Fixed |
| Amazon Linux 2023 | kernel6.12 | 2025-12-08 | ALAS2023-2025-1316 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |