CVE-2023-53259

kernel: Linux kernel VMCI: Denial of Service via GPF

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Severity

Moderate

Red Hat Product Security

4.7

CVSS 3.1

Review impact separately from score.

Published · September 15, 2025

Updated · June 30, 2026

Description

A flaw was found in Linux kernel VMCI. This vulnerability allows a denial of service (General Protection Fault) via a NULL context->notify_page return from get_user_pages_fast() in vmci_host_setup_notify().

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference