P4Verified

CVE-2023-4459: linux kernel before 5.18 (exclusive); +14 more affected products

CVE-2023-4459. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00249 (percentile 0.14905), scored 2026-10-08.

Affected technology

linux kernel · before 5.18 (exclusive)
linux

enterprise linux · 8.0
redhat

enterprise linux · 9.0
redhat

Red Hat Enterprise Linux 8.2 Advanced Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.2 Telecommunications Update Service · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Telecommunications Update Service · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.0 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

A local attacker with normal user privilege to cause a denial of service due may a missing sanity check during cleanup. Vendor/CNA’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 2026-10-09 03:15:33.506415+00:00

CWE: CWE-476
CCR priority: 22.1 /100 (P4)
CVSS 3.1: 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.00249 · percentile 0.14905 · 2026-10-08
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2023-4459.html