CVE-2026-53031

Updated on 24 Jun 2026

Severity

7.0 High severity

Details

CVSS score
7.0
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Overview

About vulnerability

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().

Details

Affected product:
AlmaLinux 9.2 ESU , TuxCare 9.6 ESU
Affected packages:
kernel @ 5.14.0 (+1 more)

Fixes

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
Debian 13 Released
10 kernels
  • 6.12.85-1
  • 6.12.86-1
  • 6.12.88-1
  • 6.12.74-2
  • 6.12.73-1
  • 6.12.63-1
  • 6.12.69-1
  • 6.12.74-1
  • 6.12.90-1
  • 6.12.90-2