CVE-2026-43040
Public on 2026-05-01
Modified on 2026-05-02
Description
In the Linux kernel, the following vulnerability has been resolved:
net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak
net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | kernel | Pending Fix | ||
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | Pending Fix | ||
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2026-05-09 | ALAS2KERNEL-5.10-2026-118 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2026-05-09 | ALAS2KERNEL-5.15-2026-102 | Fixed |
| Amazon Linux 2023 | kernel | 2026-05-09 | ALAS2023-2026-1681 | Fixed |
| Amazon Linux 2023 | kernel6.12 | 2026-05-09 | ALAS2023-2026-1695 | Fixed |
| Amazon Linux 2023 | kernel6.18 | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | CVSSv3 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |