CVE-2025-21987

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 8.2% 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

2025-04-02 12:30Z1 YR AGO

Last updated

2026-05-11 21:10Z3 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-908Use of Uninitialized ResourceBase

Data version

5.2

Document digest

1cf2ed0e9d52a80085acd46ee31ef2f939d4085b53fcdd3813e7c4e7659b21ac

• git.kernel.orghttps://git.kernel.org/stable/c/d2c9625b0ade41f9917875d88173a0cc802b95fc
• git.kernel.orghttps://git.kernel.org/stable/c/5bd98c2df4a0f2e2dcbdf563feb8d348406377b5
• git.kernel.orghttps://git.kernel.org/stable/c/d3c7059b6a8600fc62cd863f1ea203b8675e63e1