---
id: CVE-2023-54263
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm/nouveau/kms/nv50-: init hpd_irq_lock for PIOR DP

  Fixes OOPS on boards with ANX9805 DP encoders.
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm/nouveau/kms/nv50-: init hpd_irq_lock for PIOR DP

  Fixes OOPS on boards with ANX9805 DP encoders.
severity: none
published: '2025-12-30'
updated: '2026-09-02'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-54263'
references:
  - url: 'https://git.kernel.org/stable/c/92d48ce21645267c574268678131cd2b648dad0f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/a63fa556ac5772d004025c1164b7bd5a8b95eaef'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/ea293f823a8805735d9e00124df81a8f448ed1ae'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00195
epssPercentile: 0.09498
ingestedAt: '2026-09-02T13:44:41.380Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

drm/nouveau/kms/nv50-: init hpd_irq_lock for PIOR DP

Fixes OOPS on boards with ANX9805 DP encoders.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.