CVE-2025-39909

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.2% 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

Analyzed. NVD last modified this record on 2026-06-17.

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

2025-10-01 07:44Z11 MO AGO

Last updated

2026-05-11 21:38Z3 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-369Divide By ZeroBase

Data version

5.2

Document digest

43fdd7eced0668ac94076f205810cc60d5d2c93186b0029a5c928bc3cd567c83

• git.kernel.orghttps://git.kernel.org/stable/c/74e391f7da7d9d5235a3cca88ee9fc18f720c75b
• git.kernel.orghttps://git.kernel.org/stable/c/7bb675c9f0257840d33e5d1337d7e3afdd74a6bf
• git.kernel.orghttps://git.kernel.org/stable/c/af0ae62b935317bed1a1361c8c9579db9d300e70
• git.kernel.orghttps://git.kernel.org/stable/c/326a4b3750c71af3f3c52399ec4dbe33b6da4c26
• git.kernel.orghttps://git.kernel.org/stable/c/711f19dfd783ffb37ca4324388b9c4cb87e71363
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html