High 7.8Published Jun 24, 2026

CVE-2026-53031bpf: Validate node_id in arena_alloc_pages()

Updated under an hour ago (Oct 28, 2026, 5:00 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	317460317a02a1af512697e6e964298dedd8a163 builds before 31d3b4b28e55835646d6829d60023f730dd34e85; from 317460317a02a1af512697e6e964298dedd8a163 before e15900888c09480a4c632bc598f1c5bd39bed6d6; from 317460317a02a1af512697e6e964298dedd8a163 before fb66e20130f95a93ffea1677252526a9e39170b2; 317460317a02a1af512697e6e964298dedd8a163 builds before 2845989f2ebaf7848e4eccf9a779daf3156ea0a5	CNA record
linux linux_kernel linux:linux_kernel	from 6.9 before 6.12.91; from 6.13 before 6.18.33; from 6.19 before 7.0.10	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.