CVE-2023-54303

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

Ranks above 4.3% 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

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

2025-12-30 12:23Z8 MO AGO

Last updated

2026-08-05 09:19Z1 MO AGO

Reserved

2025-12-30

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-366Race Condition within a ThreadBase

Data version

5.2

Document digest

37d388a4c5d6677600bf853a7e20e8b7431f7ca341637d8164555b53c57096d8

• git.kernel.orghttps://git.kernel.org/stable/c/3654ed5daf492463c3faa434c7000d45c2da2ace
• git.kernel.orghttps://git.kernel.org/stable/c/a0ac32cf61e5a76e2429e486925a52ee41dd75e3
• git.kernel.orghttps://git.kernel.org/stable/c/f2c67a3e60d1071b65848efaa8c3b66c363dd025