CVE-2025-38643

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.4% 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

Low. 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

2025-08-22 16:00Z1 YR AGO

Last updated

2026-08-05 12:03Z1 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-667Improper LockingClass

Data version

5.2

Document digest

de25b7cdb138e090bcf3c5c15c06d0626b9f6f4d02d0baad0afdda8ea8ff176d

• git.kernel.orghttps://git.kernel.org/stable/c/defe9ce121160788547e8e6ec4438ad8a14f40dd
• git.kernel.orghttps://git.kernel.org/stable/c/b3d24038eb775f2f7a1dfef58d8e1dc444a12820
• git.kernel.orghttps://git.kernel.org/stable/c/4a63523d3541eef4cf504a9682e6fbe94ffe79a6
• git.kernel.orghttps://git.kernel.org/stable/c/7022df2248c08c6f75a01714163ac902333bf3db
• git.kernel.orghttps://git.kernel.org/stable/c/dbce810607726408f889d3358f4780fd1436861e
• git.kernel.orghttps://git.kernel.org/stable/c/2c5dee15239f3f3e31aa5c8808f18996c039e2c1