CVE-2023-54139

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

Equal to or higher than the score of 4.4% 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

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

Red Hat severity

Important. 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 13:06Z10 MO AGO

Last updated

2026-08-05 09:17Z2 MO AGO

Reserved

2025-12-24

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

4ff0604068ab74e3545cc62df4b17520f0e7caea00b03144a85a9913c0ec85e0

• git.kernel.orghttps://git.kernel.org/stable/c/0489c2b2c3104b89f078dbcec8c744dfc157d3e9
• git.kernel.orghttps://git.kernel.org/stable/c/4fe46b5adf18e3dc606e62c9e6a0413398a17572
• git.kernel.orghttps://git.kernel.org/stable/c/fa7f2f5d1739452280c22727c4384a52b72ab5de
• git.kernel.orghttps://git.kernel.org/stable/c/cd98c93286a30cc4588dfd02453bec63c2f4acf4