CVE-2025-21778

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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.6% 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

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

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

2025-02-27 02:18Z1 YR AGO

Last updated

2026-08-05 11:54Z1 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

• CWE-241Improper Handling of Unexpected Data TypeBase

Data version

5.2

Document digest

4c593704387b6754d9294aa12dc40310defc08dec852bd69a194354ae536cb0f

• git.kernel.orghttps://git.kernel.org/stable/c/e8dff5f73912513fc9b52ab992d861517c9a9975
• git.kernel.orghttps://git.kernel.org/stable/c/cf5aa560e5c7628b57c928741d7e6a9a0f6f0e67
• git.kernel.orghttps://git.kernel.org/stable/c/129fe718819cc5e24ea2f489db9ccd4371f0c6f6