CVE-2025-39870

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 4.8% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/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

2025-09-23 06:00Z11 MO AGO

Last updated

2026-05-23 16:00Z3 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-415Double FreeVariant

Data version

5.2

Document digest

26c70eb9a8527c8fff46f3aa8e20ee6811ad5c139a24f1cbc5762e755078132c

• git.kernel.orghttps://git.kernel.org/stable/c/25e6146c2812487a88f619d5ff6efbdcd5b2bc31
• git.kernel.orghttps://git.kernel.org/stable/c/df82c7901513fd0fc738052a8e6a330d92cc8ec9
• git.kernel.orghttps://git.kernel.org/stable/c/ec5430d090d0b6ace8fefa290fc37e88930017d2
• git.kernel.orghttps://git.kernel.org/stable/c/9f0e225635475b2285b966271d5e82cba74295b1
• git.kernel.orghttps://git.kernel.org/stable/c/39aaa337449e71a41d4813be0226a722827ba606
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html