CVE-2025-21869

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 9.6% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/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

2025-03-27 13:38Z1 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-787Out-of-bounds WriteBase

Data version

5.2

Document digest

fb4855b38a95064677807177fc97e19c35c3b705bbec0458caebe9b00618ce8c

• git.kernel.orghttps://git.kernel.org/stable/c/5980d4456dd66d1b6505d5ec15048bd87e8775e0
• git.kernel.orghttps://git.kernel.org/stable/c/ea291447a4031f3dac5c23d55bc83fe833820d84
• git.kernel.orghttps://git.kernel.org/stable/c/dc9c5166c3cb044f8a001e397195242fd6796eee