CVE-2026-31684

Public on 2026-04-25
Modified on 2026-05-02
Description
In the Linux kernel, the following vulnerability has been resolved:

net: sched: act_csum: validate nested VLAN headers
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Kernel-5.10 Extra kernel Pending Fix
Amazon Linux 2 - Kernel-5.15 Extra kernel Pending Fix
Amazon Linux 2 - Kernel-5.4 Extra kernel Pending Fix
Amazon Linux 2 - Core kernel Not Affected
Amazon Linux 2023 kernel Pending Fix
Amazon Linux 2023 kernel6.12 2026-05-09 ALAS2023-2026-1695 Fixed
Amazon Linux 2023 kernel6.18 2026-05-09 ALAS2023-2026-1693 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H