CVE-2025-39952

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 13.4% 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

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

2025-10-04 07:31Z11 MO AGO

Last updated

2026-08-05 12:06Z1 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

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

31ba570c08fc7a2db44883e0012650d5266902891a9c917610c03bc6ddd181ba

• git.kernel.orghttps://git.kernel.org/stable/c/6085291a1a5865d4ad70f0e5812d524ebd5d1711
• git.kernel.orghttps://git.kernel.org/stable/c/2203ef417044b10a8563ade6a17c74183745d72e
• git.kernel.orghttps://git.kernel.org/stable/c/ae50f8562306a7ea1cf3c9722f97ee244f974729
• git.kernel.orghttps://git.kernel.org/stable/c/fe9e4d0c39311d0f97b024147a0d155333f388b5