CVE-2026-43405

Public on 2026-05-08
Modified on 2026-05-12
Description
In the Linux kernel, the following vulnerability has been resolved:

libceph: Use u32 for non-negative values in ceph_monmap_decode()
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core kernel Not Affected
Amazon Linux 2 - Kernel-5.10 Extra kernel Not Affected
Amazon Linux 2 - Kernel-5.4 Extra kernel Not Affected
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 2026-04-30 ALAS2023-2026-1594 Fixed
Amazon Linux 2023 kernel6.18 2026-04-30 ALAS2023-2026-1596 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H