CVE-2023-53509

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

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

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

2026-05-11 19:46Z3 MO AGO

Reserved

2025-10-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.2

Document digest

614c6949f1706da8d3f9f5e2b4c650789c4ed4359ddc2a5c73b5d3fbd1eaa753

• git.kernel.orghttps://git.kernel.org/stable/c/e0387f4f39a8d92302273ac356d1f6b2a38160d8
• git.kernel.orghttps://git.kernel.org/stable/c/50c81b35df01db12b348c5cbf4b1917dc9a7db54
• git.kernel.orghttps://git.kernel.org/stable/c/5401c3e0992860b11fb4b25796e4c4f1921740df