CVE-2025-40040

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

0.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 28.0% 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

2025-10-28 11:48Z10 MO AGO

Last updated

2026-08-05 12:07Z1 MO 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

• CWE-674Uncontrolled RecursionClass

Data version

5.2

Document digest

dedce18aa16819d4cbb1694c719518a13d68b87d06678fc6540110c05875b2f9

• git.kernel.orghttps://git.kernel.org/stable/c/850f1ea245bdc0ce6a3fd36bfb80d8cf9647cb71
• git.kernel.orghttps://git.kernel.org/stable/c/788e5385d0ff69cdba1cabccb9dab8d9647b9239
• git.kernel.orghttps://git.kernel.org/stable/c/b69f19244c2b6475c8a6eb72f0fb0d53509e48cd
• git.kernel.orghttps://git.kernel.org/stable/c/41cb9fd904fe0c39d52e82dd84dc3c96b7aa9693
• git.kernel.orghttps://git.kernel.org/stable/c/92b82e232b8d8b116ac6e57aeae7a6033db92c60
• git.kernel.orghttps://git.kernel.org/stable/c/ac50c6e0a8f91a02b681af81abb2362fbb67cc18
• git.kernel.orghttps://git.kernel.org/stable/c/76385629f45740b7888f8fcd83bde955b10f61fe
• git.kernel.orghttps://git.kernel.org/stable/c/f04aad36a07cc17b7a5d5b9a2d386ce6fae63e93