CVE-2023-53589

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 12.3% 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

2025-10-04 15:44Z11 MO AGO

Last updated

2026-08-05 09:14Z1 MO AGO

Reserved

2025-10-04

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

9a8b270d8d38556541974fbd4165cf71b36b6efccefa99310436f3bf206728d7

• git.kernel.orghttps://git.kernel.org/stable/c/e519a404a5bbba37693cb10fa61794a5fce4fd9b
• git.kernel.orghttps://git.kernel.org/stable/c/d0d39bed9e95f27a246be91c5929254ac043ed30
• git.kernel.orghttps://git.kernel.org/stable/c/05ad5a4d421ce65652fcb24d46b7e273130240d6
• git.kernel.orghttps://git.kernel.org/stable/c/557ba100d8cf3661ff8d71c0b4a2cba8db555ec2
• git.kernel.orghttps://git.kernel.org/stable/c/c176f03350954b795322de0bfe1d7b514db41f45
• git.kernel.orghttps://git.kernel.org/stable/c/682b6dc29d98e857e6ca4bbc077c7dc2899b7473