CVE-2023-53627

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.0% 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 2026-08-04.

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

2025-10-07 15:19Z11 MO AGO

Last updated

2026-08-05 09:15Z1 MO AGO

Reserved

2025-10-07

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-476NULL Pointer DereferenceBase
• CWE-820Missing SynchronizationBase

Data version

5.2

Document digest

94ddabfb57f81889c447b38a227831231f5bde6a96afc13980b4f922a45f1fb9

• git.kernel.orghttps://git.kernel.org/stable/c/6e2a40b3a332ea84079983be21c944de8ddbc4f3
• git.kernel.orghttps://git.kernel.org/stable/c/71fb36b5ff113a7674710b9d6063241eada84ff7