CVE-2025-40307

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.2% 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

Deferred. NVD last modified this record on 2026-08-19.

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

2025-12-08 00:46Z9 MO AGO

Last updated

2026-08-19 16:27Z15 DAYS AGO

Reserved

2025-04-16

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

776f9ef913630764985efb636bccd91a0bd03658bbfe53a8c09ef125de39b7f9

• git.kernel.orghttps://git.kernel.org/stable/c/87f827d53bd0688597bda63ae95908e2ad39bac0
• git.kernel.orghttps://git.kernel.org/stable/c/67ce8034dc0278ddd88cad93d4218a945180dddd
• git.kernel.orghttps://git.kernel.org/stable/c/6bc58b4c53795ab5fe00648344aa7d9d61175f90
• git.kernel.orghttps://git.kernel.org/stable/c/13c1d24803d5b0446b3f6f0fdd67e07ac1fdc7bf
• git.kernel.orghttps://git.kernel.org/stable/c/79c1587b6cda74deb0c86fc7ba194b92958c793c