CVE-2025-40344

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.7% 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

2025-12-09 04:10Z8 MO AGO

Last updated

2026-08-05 12:09Z29 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

• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

f9de5d7b85ffd3e1fb71a1214550d8ab1f60740ff2b2f42e9456210378f223d9

• git.kernel.orghttps://git.kernel.org/stable/c/ca6d2b7aca778afbf8c0c4b330d10cb228c14052
• git.kernel.orghttps://git.kernel.org/stable/c/b41fca4aa60be896ba8a81b57aac5dcc6eee66c0
• git.kernel.orghttps://git.kernel.org/stable/c/845f716dc5f354c719f6fda35048b6c2eca99331