CVE-2025-39955
Public on 2025-10-09
Modified on 2025-10-10
Description
In the Linux kernel, the following vulnerability has been resolved:
tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect().
tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect().
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | kernel | 2025-10-27 | ALAS2-2025-3053 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2025-10-27 | ALAS2KERNEL-5.10-2025-109 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | Pending Fix | ||
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | Pending Fix | ||
| Amazon Linux 2023 | kernel | 2025-10-14 | ALAS2023-2025-1223 | Fixed |
| Amazon Linux 2023 | kernel6.12 | 2025-10-27 | ALAS2023-2025-1254 | 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 |