CVE-2026-53031

HIGHPre-NVD 7.87.8
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.8
EG Score
7.8(high)
EPSS
2.9%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 28, 2026

Advisory Details (4)

Auto-updated Jun 28, 2026
No patch confirmed yet.
generic

bpf: Validate node_id in arena_alloc_pages() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fb66e20130f95a93ffea1677252526a9e39170b2
generic

bpf: Validate node_id in arena_alloc_pages() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e15900888c09480a4c632bc598f1c5bd39bed6d6
generic

bpf: Validate node_id in arena_alloc_pages() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/31d3b4b28e55835646d6829d60023f730dd34e85
generic

bpf: Validate node_id in arena_alloc_pages() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2845989f2ebaf7848e4eccf9a779daf3156ea0a5

Vendor Advisories for CVE-2026-53031(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 35× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 00:14 UTCEG score recompute
  2. 2026-07-07 00:14 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 11:21 UTCEG score recompute
  6. 2026-07-06 11:21 UTCGHSA enrichment
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 22:06 UTCEG score recompute
  10. 2026-07-05 22:06 UTCGHSA enrichment
  11. 2026-07-05 09:13 UTCEG score recompute
  12. 2026-07-05 09:13 UTCGHSA enrichment
  13. 2026-07-05 02:31 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 20:12 UTCEG score recompute
  16. 2026-07-04 20:12 UTCGHSA enrichment
  17. 2026-07-04 07:18 UTCEG score recompute
  18. 2026-07-04 07:18 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-03 17:59 UTCEG score recompute
  21. 2026-07-03 17:58 UTCGHSA enrichment
  22. 2026-07-03 05:04 UTCEG score recompute
  23. 2026-07-03 05:04 UTCGHSA enrichment
  24. 2026-07-02 16:08 UTCEG score recompute
  25. 2026-07-02 16:08 UTCGHSA enrichment
Show 22 more
  1. 2026-07-02 03:14 UTCEG score recompute
  2. 2026-07-02 03:14 UTCGHSA enrichment
  3. 2026-07-01 15:07 UTCEPSS rescore
  4. 2026-07-01 14:21 UTCEG score recompute
  5. 2026-07-01 14:21 UTCGHSA enrichment
  6. 2026-07-01 01:28 UTCEG score recompute
  7. 2026-07-01 01:28 UTCGHSA enrichment
  8. 2026-06-30 23:22 UTCEPSS rescore
  9. 2026-06-30 12:34 UTCEG score recompute 7.80
  10. 2026-06-30 12:34 UTCGHSA enrichment
  11. 2026-06-29 14:06 UTCEPSS rescore
  12. 2026-06-29 14:06 UTCEPSS rescore
  13. 2026-06-28 14:07 UTCEPSS rescore
  14. 2026-06-28 07:52 UTCMITRE cvelistV5CVSS v3 → 7.8 · severity → HIGH
  15. 2026-06-28 04:56 UTCEPSS rescore
  16. 2026-06-28 04:56 UTCEPSS rescore
  17. 2026-06-27 15:26 UTCEG score recompute
  18. 2026-06-27 15:26 UTCGHSA enrichment
  19. 2026-06-27 03:08 UTCEPSS rescore
  20. 2026-06-25 13:49 UTCEPSS rescore
  21. 2026-06-24 18:20 UTCEG score recompute
  22. 2026-06-24 18:02 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-53031?
CVE-2026-53031 is a high vulnerability published on June 24, 2026. In the Linux kernel, the following vulnerability has been resolved: bpf: Validate nodeid in arenaalloc_pages() arenaallocpages() 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…
When was CVE-2026-53031 disclosed?
CVE-2026-53031 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53031 actively exploited?
CVE-2026-53031 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53031?
CVE-2026-53031 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-53031?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53031, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-53031

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