CVE-2023-54040

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.8% of scored records. A rank, not a probability.

NVD base score

8.8 (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:C/C:H/I:H/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-08-04.

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

2025-12-24 10:56Z8 MO AGO

Last updated

2026-08-05 09:16Z1 MO AGO

Reserved

2025-12-24

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

19945f317da9334aac54f58e3364215e075ab00364f111f2cb5778f1bea338b6

• git.kernel.orghttps://git.kernel.org/stable/c/391d28c0e38c0e5b11a4240a2b4976cf63e87f45
• git.kernel.orghttps://git.kernel.org/stable/c/aad3b871efe26f36f45f8b4649653b5d3fd9c35e
• git.kernel.orghttps://git.kernel.org/stable/c/cbfed5f114b5310f221979fc8190f55c6abc3400
• git.kernel.orghttps://git.kernel.org/stable/c/b4a01ace20f5c93c724abffc0a83ec84f514b98d