CVE-2025-39721

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.1% 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 2026-07-14.

Red Hat severity

Low. 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

2025-09-05 17:21Z12 MO AGO

Last updated

2026-07-14 12:42Z1 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-416Use After FreeVariant

Data version

5.2

Document digest

855e10343e986a965693059c81e3492840753e0c0c287c8c21f4dc67532ab1e7

• git.kernel.orghttps://git.kernel.org/stable/c/fa4c14a82747886d333d8baef0d26da86ba1ccf7
• git.kernel.orghttps://git.kernel.org/stable/c/5858448a6c65d8ee3f8600570d3ce19febcb33be
• git.kernel.orghttps://git.kernel.org/stable/c/fe546f5c50fc474daca6bee72caa7ab68a74c33d
• git.kernel.orghttps://git.kernel.org/stable/c/e59a52e429e13df3feb34f4853a8e36d121ed937
• git.kernel.orghttps://git.kernel.org/stable/c/3d4df408ba9bad2b205c7fb8afc1836a6a4ca88a
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html