CVE-2025-21889

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

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 10.0% 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

Modified. NVD last modified this record on 2026-07-30.

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

2026-08-05 11:55Z1 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

ef41af20e177fd82cf912fbee1da9f7b7be79b713db39f04b52a0778e5ce00c5

• git.kernel.orghttps://git.kernel.org/stable/c/f390c2eea571945f357a2d3b9fcb1c015767132e
• git.kernel.orghttps://git.kernel.org/stable/c/a2475ccad6120546ea45dbcd6cd1f74dc565ef6b
• git.kernel.orghttps://git.kernel.org/stable/c/dd536566dda9a551fc2a2acfab5313a5bb13ed02
• git.kernel.orghttps://git.kernel.org/stable/c/0fe8813baf4b2e865d3b2c735ce1a15b86002c74