CVE-2026-52988

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: 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:

netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase

Publish new hooks in the list into the basechain/flowtable using splice_list_rcu() to ensure netlink dump list traversal via rcu is safe while concurrent ruleset update is going on.

CVSS v3
7.1
EG Score
7.1(high)
EPSS
2.3%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 28, 2026

Advisory Details (2)

Auto-updated Jun 30, 2026
No patch confirmed yet.
generic

netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400
generic

netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f

Vendor Advisories for CVE-2026-52988(2)

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 32× in last 7d / 44× 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 05:21 UTCEG score recompute
  2. 2026-07-07 05:21 UTCGHSA enrichment
  3. 2026-07-06 17:25 UTCEG score recompute
  4. 2026-07-06 17:24 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 05:16 UTCEG score recompute
  8. 2026-07-06 05:16 UTCGHSA enrichment
  9. 2026-07-05 17:19 UTCEG score recompute
  10. 2026-07-05 17:18 UTCGHSA enrichment
  11. 2026-07-05 05:21 UTCEG score recompute
  12. 2026-07-05 05:21 UTCGHSA enrichment
  13. 2026-07-05 02:31 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 17:24 UTCEG score recompute
  16. 2026-07-04 17:24 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 05:29 UTCEG score recompute
  19. 2026-07-04 05:28 UTCGHSA enrichment
  20. 2026-07-03 17:28 UTCEG score recompute
  21. 2026-07-03 17:28 UTCGHSA enrichment
  22. 2026-07-03 05:31 UTCEG score recompute
  23. 2026-07-03 05:31 UTCGHSA enrichment
  24. 2026-07-02 17:22 UTCEG score recompute
  25. 2026-07-02 17:22 UTCGHSA enrichment
Show 19 more
  1. 2026-07-02 05:26 UTCEG score recompute
  2. 2026-07-02 05:25 UTCGHSA enrichment
  3. 2026-07-01 17:30 UTCEG score recompute
  4. 2026-07-01 17:30 UTCGHSA enrichment
  5. 2026-07-01 15:07 UTCEPSS rescore
  6. 2026-07-01 05:33 UTCEG score recompute▲ 7.10
  7. 2026-07-01 05:33 UTCGHSA enrichment
  8. 2026-06-29 14:06 UTCEPSS rescore
  9. 2026-06-29 14:06 UTCEPSS rescore
  10. 2026-06-28 14:07 UTCEPSS rescore
  11. 2026-06-28 07:52 UTCMITRE cvelistV5CVSS v3 → 7.1 · severity → HIGH
  12. 2026-06-28 04:56 UTCEPSS rescore
  13. 2026-06-28 04:56 UTCEPSS rescore
  14. 2026-06-27 23:59 UTCEG score recompute
  15. 2026-06-27 23:59 UTCGHSA enrichment
  16. 2026-06-27 03:08 UTCEPSS rescore
  17. 2026-06-25 13:49 UTCEPSS rescore
  18. 2026-06-24 18:25 UTCEG score recompute
  19. 2026-06-24 18:02 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-52988?
CVE-2026-52988 is a high vulnerability published on June 24, 2026. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: join hook list via splicelist_rcu() in commit phase Publish new hooks in the list into the basechain/flowtable using splicelistrcu() to ensure netlink dump list traversal via rcu is safe while concurrent…
When was CVE-2026-52988 disclosed?
CVE-2026-52988 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-2026-52988 actively exploited?
CVE-2026-52988 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-52988?
CVE-2026-52988 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-52988?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52988, 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

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