CVE-2023-53563

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.4% 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

Analyzed. NVD last modified this record on 2026-06-17.

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

2025-10-04 15:17Z11 MO AGO

Last updated

2026-05-11 19:47Z3 MO AGO

Reserved

2025-10-04

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

8acc76f6a9ccbb6c0077ab6c006ce394a9a49e1c96f0d42497676271e6db9a1e

• git.kernel.orghttps://git.kernel.org/stable/c/fcf78a17bbb94bebaa912f0460a1848f7d374c94
• git.kernel.orghttps://git.kernel.org/stable/c/84857640c67405eed258c461b3ef909002f1e201
• git.kernel.orghttps://git.kernel.org/stable/c/0f74f12ee042fd72e45f0e8700e063c84ef3883b
• git.kernel.orghttps://git.kernel.org/stable/c/60dd283804479c4a52f995b713f448e2cd65b8c8