CVE-2025-21828

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 12.2% 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

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

2025-03-06 16:04Z1 YR AGO

Last updated

2026-08-05 11:54Z1 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

543d91c1c8eddb8ea0aa5af1be31d39ea5923cdfe64392deb82c311b2322ced7

• git.kernel.orghttps://git.kernel.org/stable/c/cf21ef3d430847ba864bbc9b2774fffcc03ce321
• git.kernel.orghttps://git.kernel.org/stable/c/cd10b7fcb95a6a86c67adc54304c59a578ab16af
• git.kernel.orghttps://git.kernel.org/stable/c/9efb5531271fa7ebae993b2a33a705d9947c7ce6
• git.kernel.orghttps://git.kernel.org/stable/c/aa3ce3f8fafa0b8fb062f28024855ea8cb3f3450