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Vulnerability record · CVE-2026-53031 · published 24 June 2026

CVE-2026-53031: Linux kernel vulnerability

Linux · Linux Kernel

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().

7.8 CVSS 3.1 High EPSS 0.13% · top 97.9%
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
15 Jul 2026Last modified by NVD

Description

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().

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/2845989f2ebaf7848e4eccf9a779daf3156ea0a5 Patch
https://git.kernel.org/stable/c/31d3b4b28e55835646d6829d60023f730dd34e85 Patch
https://git.kernel.org/stable/c/e15900888c09480a4c632bc598f1c5bd39bed6d6 Patch
https://git.kernel.org/stable/c/fb66e20130f95a93ffea1677252526a9e39170b2 Patch

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Source: NIST National Vulnerability Database (record CVE-2026-53031), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.