CVE-2025-21808

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

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 20:01Z1 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-703Improper Check or Handling of Exceptional ConditionsPillar

Data version

5.2

Document digest

0d0c7eb8cc9f5e296b637d7d8ed03a1ea2e0e5f1ea6d62baf1a914e0c6c63253

• git.kernel.orghttps://git.kernel.org/stable/c/b1bc4a35a04cbeb85b6ef5911ec015baa424989f
• git.kernel.orghttps://git.kernel.org/stable/c/557707906dd3e34b8a8c265f664d19f95799937e
• git.kernel.orghttps://git.kernel.org/stable/c/5a9eae683d6c36e8a7aa31e5eb8b369e41aa66e1
• git.kernel.orghttps://git.kernel.org/stable/c/3595599fa8360bb3c7afa7ee50c810b4a64106ea