CVE-2023-53504

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 4.8% 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

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

2025-10-01 11:45Z11 MO AGO

Last updated

2026-08-05 09:14Z1 MO AGO

Reserved

2025-10-01

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-416Use After FreeVariant
• CWE-664Improper Control of a Resource Through its LifetimePillar

Data version

5.2

Document digest

43f37584635cc30340002994f779e98d6efba966419a38208eb5fc2ea5645ea5

• git.kernel.orghttps://git.kernel.org/stable/c/c95863f6d970ef968e7c1f3c481f72a4b0734654
• git.kernel.orghttps://git.kernel.org/stable/c/5363fc488da579923edf6a2fdca3d3b651dd800b