CVE-2025-40214

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 4.3% 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

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

2025-12-04 12:38Z9 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

• CWE-908Use of Uninitialized ResourceBase

Data version

5.2

Document digest

16c72070a39ed74af24db709f12d80f15323012771bbc4b0ff1ea79e7ce49312

• git.kernel.orghttps://git.kernel.org/stable/c/20003fbb9174121b27bd1da6ebe61542ac4c327d
• git.kernel.orghttps://git.kernel.org/stable/c/4cd8d755c7d4f515dd9abf483316aca2f1b7b0f3
• git.kernel.orghttps://git.kernel.org/stable/c/db81ad20fd8aef7cc7d536c52ee5ea4c1f979128
• git.kernel.orghttps://git.kernel.org/stable/c/1aa7e40ee850c9053e769957ce6541173891204d
• git.kernel.orghttps://git.kernel.org/stable/c/60e6489f8e3b086bd1130ad4450a2c112e863791
• mohandacherir.github.iohttps://mohandacherir.github.io/Qdiv7/posts/unix_new_gc/
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-253495.html