CVE-2025-21973

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 8.7% of scored records. A rank, not a probability.

NVD base score

7.1 (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:H/I:N/A:H

NVD analysis status

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

Red Hat severity

Moderate. 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 15:47Z1 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-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

51b98f497b94dc1ad3013c23b6b35a3f2280cef2140e83d653d7b5942bdfcb0b

• git.kernel.orghttps://git.kernel.org/stable/c/f059a0fd733078c3832fd0f3a3037aa5975d3d36
• git.kernel.orghttps://git.kernel.org/stable/c/adb830085f0fc3a09a0fc8b64fed2e7c8d244665
• git.kernel.orghttps://git.kernel.org/stable/c/f09af5fdfbd9b0fcee73aab1116904c53b199e97