CVE-2025-38491

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

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 10.0% 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

2025-07-28 11:21Z1 YR AGO

Last updated

2026-08-05 12:02Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

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

Weaknesses

• CWE-667Improper LockingClass
• CWE-366Race Condition within a ThreadBase

Data version

5.2

Document digest

dec84b5c374645e8bf87307e8b480fee9c4e6e1c1e1ba8532e48ec685d60516e

• git.kernel.orghttps://git.kernel.org/stable/c/5586518bec27666c747cd52aabb62d485686d0bf
• git.kernel.orghttps://git.kernel.org/stable/c/75a4c9ab8a7af0d76b31ccd1188ed178c38b35d2
• git.kernel.orghttps://git.kernel.org/stable/c/54999dea879fecb761225e28f274b40662918c30
• git.kernel.orghttps://git.kernel.org/stable/c/1d82a8fe6ee4afdc92f4e8808c9dad2a6095bbc5
• git.kernel.orghttps://git.kernel.org/stable/c/f8a1d9b18c5efc76784f5a326e905f641f839894
• 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