CVE-2025-39827

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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.7% 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

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

2025-09-16 13:00Z11 MO AGO

Last updated

2026-08-05 12:05Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

7494324a06fa1fae1f97512862d69f1e006f10df1dcf73470dfdc12b7fd13c57

• git.kernel.orghttps://git.kernel.org/stable/c/4cce478c3e82a5fc788d72adb2f4c4e983997639
• git.kernel.orghttps://git.kernel.org/stable/c/9c547c8eee9d1cf6e744611d688b9f725cf9a115
• git.kernel.orghttps://git.kernel.org/stable/c/d7563b456ed44151e1a82091d96f60166daea89b
• git.kernel.orghttps://git.kernel.org/stable/c/384210cceb1873a4c8218b27ba0745444436b728
• git.kernel.orghttps://git.kernel.org/stable/c/da9c9c877597170b929a6121a68dcd3dd9a80f45
• 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
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html