CVE-2026-64413

highCVSS 7covered by 3 sourcesfirst seen 2026-07-14

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. https://security-tracker.debian.org/tracker/DSA-6405-1

CSIRTS triage

Other

What: The vulnerability involves a zero chainstack array in ebtables.
Who is affected: Deployments using the netfilter subsystem.
Urgency: Remediation is important to ensure proper functionality, with no current exploitation reported.
Action: Implement the fix for the zero chainstack array in ebtables.

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

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Exploitation outlook

Low exploitation risk0.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.

Advisory coverage (3)

unknownDSA-6405-1 linux - security updatedebian · 2026-07-31
highCVE-2026-64413: In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: zero …nvd · 2026-07-25
mediumCVE-2026-64413: netfilter: ebtables: zero chainstack arraymsrc · 2026-07-14

External references

NVD record for CVE-2026-64413

CVE.org record

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