CVE-2026-72434
Received Received - Intake

BaseFortify

Publication date: 2026-08-15

Last updated on: 2026-08-15

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: make sure gc is properly stopped Sashiko noticed that when destroying a set, cancel_delayed_work_sync() was called while gc calls queue_delayed_work() unconditionally which can lead not to properly shutting down the gc.

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Meta Information

Published
2026-08-15
Last Modified
2026-08-15
Generated
2026-08-15
AI Q&A
2026-08-15
EPSS Evaluated
N/A
NVD
CVE-2026-72434
EUVD
EUVD-2026-59333

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
netfilter ipset *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the Linux kernel's netfilter ipset involves improper shutdown of garbage collection (gc). When a set is destroyed, the system attempts to stop gc using cancel_delayed_work_sync(), but gc may still call queue_delayed_work() unconditionally. This can prevent proper shutdown of gc, potentially leading to resource leaks or other issues.

Impact Analysis

This vulnerability could lead to resource exhaustion or instability in systems using netfilter ipset. If gc is not properly stopped, it may continue running unnecessarily, consuming system resources and potentially causing performance degradation or crashes in affected systems.

Mitigation Strategies

Update the Linux kernel to the latest stable version that includes the fix for this vulnerability. Monitor system logs for any signs of improper garbage collection in ipset operations.

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