CVE-2026-72434
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.
CSIRTS triage
- What
- Netfilter ipset extension ensures garbage collection is properly stopped to prevent resource leaks.
- Who is affected
- Linux systems using netfilter ipset for packet filtering.
- Urgency
- Medium urgency; improper GC stopping can cause resource exhaustion and DoS.
- Action
- Apply kernel patch that ensures proper GC termination.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Advisory coverage (2)
External references
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