CVE-2023-53543

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 5.0% 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

Analyzed. NVD last modified this record on 2026-06-18.

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

2025-10-04 15:16Z11 MO AGO

Last updated

2026-06-01 16:04Z3 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-787Out-of-bounds WriteBase
• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

4a5d22cd32e7b5cfe96e41a544c36094e5610db79cc21b581d27fed5a9e2ef42

• git.kernel.orghttps://git.kernel.org/stable/c/baed19c108ac8287425b93a44985bbe9a0b1af8d
• git.kernel.orghttps://git.kernel.org/stable/c/ff71709445ac033e6e250d971683110e4781c068
• git.kernel.orghttps://git.kernel.org/stable/c/ea65e8b5e6b1a34deda7564f09c90e9e80db436a
• git.kernel.orghttps://git.kernel.org/stable/c/5d6ba607d6cb5c58a4ddf33381e18c83dbb4098f