CVE-2026-72435

HIGHPre-NVD 7.87.8
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-15. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 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: ipset: fix order of kfree_rcu() and rcu_assign_pointer()

Sashiko pointed out that kfree_rcu() was called before rcu_assign_pointer() in handling the comment extension. Fix the order so that rcu_assign_pointer() called first.

CVSS v3
7.8
EG Score
7.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

August 15, 2026

Last Modified

August 17, 2026

Advisory Details (8)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/fcb565966534909377a16be5f7b065db2e25c8b5
generic

netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d01b4b471f0fc5c396af62845e972ccf99cee29a
generic

netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c9787d7c24ffd83019f379455e1b97fb4f0f75eb
generic

netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/93a775fd67f3ef34949a9523bfa69403ee74efdd
generic

netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8087bb360a936a6314d22b567e4b861656943eb6
generic

netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6e98407cb94e035bba98956adc9096a76d8b2a9f
generic

netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/50b70f56f3baaff46599f59b2d93fa2540120776
generic

netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3ca9982a8882470aa0ac4e8bb9a552b181d1efcd

Vendor Advisories for CVE-2026-72435(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 32× in last 7d / 32× 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. 2026-08-20 23:46 UTCEG score recompute
  2. 2026-08-20 23:46 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 12:37 UTCGHSA enrichment
  5. 2026-08-20 01:29 UTCEG score recompute
  6. 2026-08-20 01:29 UTCGHSA enrichment
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-19 14:19 UTCGHSA enrichment
  9. 2026-08-19 03:08 UTCGHSA enrichment
  10. 2026-08-18 15:58 UTCEG score recompute
  11. 2026-08-18 15:58 UTCGHSA enrichment
  12. 2026-08-18 13:49 UTCEPSS rescore
  13. 2026-08-18 13:49 UTCEPSS rescore
  14. 2026-08-18 04:49 UTCGHSA enrichment
  15. 2026-08-17 17:40 UTCEG score recompute
  16. 2026-08-17 17:40 UTCGHSA enrichment
  17. 2026-08-17 13:47 UTCEPSS rescore
  18. 2026-08-17 06:28 UTCEG score recompute
  19. 2026-08-17 06:28 UTCGHSA enrichment
  20. 2026-08-17 05:57 UTCEG score recompute 7.80
  21. 2026-08-17 05:57 UTCGHSA enrichment
  22. 2026-08-17 05:54 UTCMITRE cvelistV5CVSS v3 → 7.8 · severity → HIGH
  23. 2026-08-17 05:29 UTCEG score recompute
  24. 2026-08-17 05:29 UTCGHSA enrichment
  25. 2026-08-17 05:25 UTCMITRE cvelistV5
Show 7 more
  1. 2026-08-16 14:56 UTCEPSS rescore
  2. 2026-08-16 14:56 UTCEPSS rescore
  3. 2026-08-16 02:15 UTCEPSS rescore
  4. 2026-08-15 06:33 UTCGHSA enrichment
  5. 2026-08-15 06:23 UTCNVD update
  6. 2026-08-15 06:04 UTCEG score recompute
  7. 2026-08-15 06:02 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-72435?
CVE-2026-72435 is a high vulnerability published on August 15, 2026. In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfreercu() and rcuassign_pointer() Sashiko pointed out that kfree_rcu() was called before rcuassignpointer() in handling the comment extension. Fix the order so that rcuassignpointer() called first.
When was CVE-2026-72435 disclosed?
CVE-2026-72435 was first published in the National Vulnerability Database on August 15, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-72435 actively exploited?
CVE-2026-72435 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 93.9% of all scored CVEs.
What is the CVSS score of CVE-2026-72435?
CVE-2026-72435 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-72435?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-72435, 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-2026-72435

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