CVE-2025-21991

Public on 2025-04-02
Modified on 2025-04-17
Description

In the Linux kernel, the following vulnerability has been resolved:

x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes

Severity
Important
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2025-04-29 ALAS-2025-1973
Amazon Linux 2 - Core kernel 2025-04-30 ALAS2-2025-2843
Amazon Linux 2 - Kernel-5.10 Extra kernel 2025-04-29 ALAS2KERNEL-5.10-2025-090
Amazon Linux 2 - Kernel-5.4 Extra kernel 2025-04-29 ALAS2KERNEL-5.4-2025-100
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.234-225.910 2025-06-23 ALAS2LIVEPATCH-2025-241
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.234-225.917 2025-06-23 ALAS2LIVEPATCH-2025-240
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.234-225.921 2025-06-23 ALAS2LIVEPATCH-2025-239
Amazon Linux 2023 kernel6.12 2025-04-29 ALAS2023-2025-940

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H