CVE-2025-40243

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 4.9% 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 2026-07-30.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2025-12-04 15:31Z9 MO AGO

Last updated

2026-08-05 12:08Z1 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

No CWE assigned

Data version

5.2

Document digest

644b81ce32242be37e0791cabf309c9f7ac7aa5d8aa0b3262b84c5d279d8ac4a

• git.kernel.orghttps://git.kernel.org/stable/c/fc56548fca732f3d3692c83b40db796259a03887
• git.kernel.orghttps://git.kernel.org/stable/c/bf1683078fbdd09a7f7f9b74121ebaa03432bd00
• git.kernel.orghttps://git.kernel.org/stable/c/2a112cdd66f5a132da5235ca31a320528c86bf33
• git.kernel.orghttps://git.kernel.org/stable/c/e148ed5cda8fd96d4620c4622fb02f552a2d166a
• git.kernel.orghttps://git.kernel.org/stable/c/cfafefcb0e1fc60135f7040f4aed0a4aef4f76ca
• git.kernel.orghttps://git.kernel.org/stable/c/3b447fd401824e1ccf0b769188edefe866a1e676
• git.kernel.orghttps://git.kernel.org/stable/c/502fa92a71f344611101bd04ef1a595b8b6014f5
• git.kernel.orghttps://git.kernel.org/stable/c/2048ec5b98dbdfe0b929d2e42dc7a54c389c53dd