CVE-2025-40039

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

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 22.6% of scored records. A rank, not a probability.

NVD base score

4.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/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

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

2025-10-28 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 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.2

Document digest

39654f8d75ee78ec33816c491edc08e73c4ad61b3b1e6d30e3683a2bf09f0885

• git.kernel.orghttps://git.kernel.org/stable/c/69674b029002b1d90b655f014bdf64f404efa54d
• git.kernel.orghttps://git.kernel.org/stable/c/6b615a8fb3af0baf8126cde3d4fee97d57222ffc
• git.kernel.orghttps://git.kernel.org/stable/c/5cc679ba0f4505936124cd4179ba66bb0a4bd9f3
• git.kernel.orghttps://git.kernel.org/stable/c/6bd7e0e55dcea2cf0d391bbc21c2eb069b4be3e1
• git.kernel.orghttps://git.kernel.org/stable/c/305853cce379407090a73b38c5de5ba748893aee