CVE-2025-38166

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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.8% 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

2025-07-03 08:36Z1 YR AGO

Last updated

2026-08-05 11:59Z1 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-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

5e72e9923a307e9f9f9320a8dbc888adaf328aa8f93ffa0b146fb636b5ad3e8d

• git.kernel.orghttps://git.kernel.org/stable/c/328cac3f9f8ae394748485e769a527518a9137c8
• git.kernel.orghttps://git.kernel.org/stable/c/2e36a81d388ec9c3f78b6223f7eda2088cd40adb
• git.kernel.orghttps://git.kernel.org/stable/c/57fbbe29e86042bbaa31c1a30d2afa16c427e3f7
• git.kernel.orghttps://git.kernel.org/stable/c/603943f022a7fe5cc83ca7005faf34798fb7853f
• git.kernel.orghttps://git.kernel.org/stable/c/54a3ecaeeeae8176da8badbd7d72af1017032c39
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html