CVE-2025-39838

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

Equal to or higher than the score of 5.1% 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 2026-10-19.

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

2025-09-19 15:26Z1 YR AGO

Last updated

2026-05-12 12:07Z5 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

e338bba46d789fd28082efb9c43a37ea2b4390043d85942ca60d7bcf18859e0a

• git.kernel.orghttps://git.kernel.org/stable/c/1f797f062b5cf13a1c2bcc23285361baaa7c9260
• git.kernel.orghttps://git.kernel.org/stable/c/3c26a8d30ed6b53a52a023ec537dc50a6d34a67a
• git.kernel.orghttps://git.kernel.org/stable/c/70bccd9855dae56942f2b18a08ba137bb54093a0
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-032379.html