---
id: CVE-2026-53031
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  bpf: Validate node_id in arena_alloc_pages()

  arena_alloc_pages() accepts a plain int node_id and forwards it through
  the entire allocation chain without any bounds che…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  bpf: Validate node_id in arena_alloc_pages()

  arena_alloc_pages() accepts a plain int node_id and forwards it through
  the entire allocation chain without any bounds che…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
published: '2026-06-24'
updated: '2026-07-10'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53031'
references:
  - url: 'https://git.kernel.org/stable/c/2845989f2ebaf7848e4eccf9a779daf3156ea0a5'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/31d3b4b28e55835646d6829d60023f730dd34e85'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/e15900888c09480a4c632bc598f1c5bd39bed6d6'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/fb66e20130f95a93ffea1677252526a9e39170b2'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00175
epssPercentile: 0.06218
ingestedAt: '2026-07-11T19:15:12.183Z'
---

## Overview

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

bpf: Validate node_id in arena_alloc_pages()

arena_alloc_pages() accepts a plain int node_id and forwards it through
the entire allocation chain without any bounds checking.

Validate node_id before passing it down the allocation chain in
arena_alloc_pages().

## Remediation

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