CVE-2025-39718

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 5.4% 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

2025-09-05 17:21Z12 MO AGO

Last updated

2026-08-05 12:04Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.4)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

e319fc930432c083677b41060b3ce5291b19e36b9f7c58bacb282470d3709ca6

• git.kernel.orghttps://git.kernel.org/stable/c/969b06bd8b7560efb100a34227619e7d318fbe05
• git.kernel.orghttps://git.kernel.org/stable/c/ee438c492b2e0705d819ac0e25d04fae758d8f8f
• git.kernel.orghttps://git.kernel.org/stable/c/faf332a10372390ce65d0b803888f4b25a388335
• git.kernel.orghttps://git.kernel.org/stable/c/676f03760ca1d69c2470cef36c44dc152494b47c
• git.kernel.orghttps://git.kernel.org/stable/c/0dab92484474587b82e8e0455839eaf5ac7bf894
• 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