CVE-2025-21897

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.6% 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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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 15:26Z1 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-667Improper LockingClass

Data version

5.2

Document digest

6d38f6d05e82aad634d94e2f3e5d98e5555374fd6768ba994f3c573256f3eb92

• git.kernel.orghttps://git.kernel.org/stable/c/5324c459f90d16b0c43a78b494c598915d782b7a
• git.kernel.orghttps://git.kernel.org/stable/c/de60a31cb0bcacfaf9487546eac5e70e0a9c66d7
• git.kernel.orghttps://git.kernel.org/stable/c/8fef0a3b17bb258130a4fcbcb5addf94b25e9ec5