CVE-2025-21888

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 8.9% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-03-27 14:57Z1 YR AGO

Last updated

2026-05-11 21:08Z3 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-703Improper Check or Handling of Exceptional ConditionsPillar

Data version

5.2

Document digest

22edacb4c08ed232d2399de55f9b990d67147cb4cf87968f0fbc2862da62ad7a

• git.kernel.orghttps://git.kernel.org/stable/c/0bd34bdd468e93a779c403de3cf7d43ee633b3e0
• git.kernel.orghttps://git.kernel.org/stable/c/f1298cad47ae29828c5c5be77e733ccfcaef6a7f
• git.kernel.orghttps://git.kernel.org/stable/c/abc7b3f1f056d69a8f11d6dceecc0c9549ace770