CVE-2026-64412

Analyzed Analyzed - Analysis Complete

ebtables Module Name Null-Termination Flaw in Linux Kernel

Publication date: 2026-07-25

Last updated on: 2026-09-08

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: module names must be null-terminated We need to explicitly check the length, else we may pass non-null terminated string to request_module().

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-25

Last Modified

2026-09-08

Generated

2026-09-23

AI Q&A

2026-07-25

EPSS Evaluated

2026-09-22

NVD

CVE-2026-64412

EUVD

EUVD-2026-48956

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	4.6
linux	linux_kernel	4.6
linux	linux_kernel	4.6
linux	linux_kernel	4.6
linux	linux_kernel	From 5.11 (inc) to 5.15.212 (exc)
linux	linux_kernel	From 5.16 (inc) to 6.1.178 (exc)
linux	linux_kernel	From 6.2 (inc) to 6.6.145 (exc)
linux	linux_kernel	From 6.7 (inc) to 6.12.96 (exc)
linux	linux_kernel	From 6.13 (inc) to 6.18.39 (exc)
linux	linux_kernel	From 6.19 (inc) to 7.1.4 (exc)
linux	linux_kernel	7.2
linux	linux_kernel	7.2
linux	linux_kernel	From 4.6.1 (inc) to 5.10.261 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability in the Linux kernel involves a flaw in the ebtables module where module names are not properly null-terminated. This can lead to passing a non-null-terminated string to request_module(), potentially causing issues in module loading and execution.

Detection Guidance

This vulnerability involves improper null-termination in ebtables module names, which could lead to module loading issues. Detection requires checking kernel logs for module-related errors or unusual module loading behavior. Commands like dmesg | grep -i module or journalctl -k | grep -i ebtables may help identify issues.

Impact Analysis

The impact includes potential system instability or crashes due to improper module handling. Attackers might exploit this to execute arbitrary code or escalate privileges if they can manipulate module names.

Mitigation Strategies

Apply the latest kernel update from your Linux distribution to patch this issue. If immediate patching is not possible, monitor for module loading failures and restrict untrusted users from loading kernel modules.

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