CVE-2026-64411: netfilter: ebtables: terminate table name before find_table_lock()

highCVSS 7.1CVE-2026-64411

CSIRTS triage

vendor: Linux product: netfilterOther

What: This vulnerability involves terminating the table name before calling find_table_lock.
Who is affected: Deployments using the netfilter subsystem.
Urgency: Remediation is necessary to ensure proper functionality, although no exploitation has been reported.
Action: Apply the patch for CVE-2026-64411.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.1
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64411

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-644110.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-64411	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

highCVE-2026-64411: In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: termi…nvd

Recent advisories for netfilter

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-64554: In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: fix sta…nvd · 2026-07-27
highCVE-2026-64414: In the Linux kernel, the following vulnerability has been resolved: netfilter: handle unreadab…nvd · 2026-07-25
highCVE-2026-64413: In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: zero …nvd · 2026-07-25
highCVE-2026-64412: In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: modul…nvd · 2026-07-25
highCVE-2026-64411: In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: termi…nvd · 2026-07-25
criticalCVE-2026-64410: In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: IPIP…nvd · 2026-07-25