CVE-2023-53838

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

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 8.8% 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

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

2025-12-09 01:29Z10 MO AGO

Last updated

2026-08-05 09:16Z2 MO AGO

Reserved

2025-12-09

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-820Missing SynchronizationBase

Data version

5.2

Document digest

73e6d3d4d93f69501451e1f6326b45e665a77272b909218842f21ad03f5e1a09

• git.kernel.orghttps://git.kernel.org/stable/c/102b82708c1523b36d421cb8687746906069bc17
• git.kernel.orghttps://git.kernel.org/stable/c/b7724360714642099cec907f54f42e55f5325453
• git.kernel.orghttps://git.kernel.org/stable/c/a46bebd502fe1a3bd1d22f64cedd93e7e7702693