CVE-2025-21902

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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 10.4% 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

2025-04-01 15:40Z1 YR AGO

Last updated

2026-05-23 15:57Z3 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-662Improper SynchronizationClass

Data version

5.2

Document digest

5b08ab0905ae60eb7ca06a4901a9d3e2ed45e267b38e625c6dc2361de51b1506

• git.kernel.orghttps://git.kernel.org/stable/c/012b98cdb54c7d47743ee7fc402fa23f2d90529a
• git.kernel.orghttps://git.kernel.org/stable/c/1aec5c9066965ac0984e385bbc31455ae31cbffc
• git.kernel.orghttps://git.kernel.org/stable/c/976e7e9bdc7719a023a4ecccd2e3daec9ab20a40