CVE-2025-38678
CSIRTS triage
- What
- netfilter nf_tables fails to reject duplicate devices on rule updates, causing processing errors.
- Who is affected
- Linux systems using nf_tables for firewall configuration.
- Urgency
- Medium priority; unexloited denial of service affecting network rule processing.
- Action
- Apply kernel patches addressing nf_tables device validation.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2025-38678: netfilter: nf_tables: reject duplicate device on updatesmsrc · 2026-08-06
External references
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