What’s Vulnerable › Vulnerabilities

CVE-2026-64412: netfilter: ebtables: module names must be null-terminated

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-25 · updated 2026-10-19
• Weakness: CWE-125

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().

Affected products

• Linux kernel: from 4.6.1 before 5.10.261; from 5.11 before 5.15.212; from 5.16 before 6.1.178; from 6.2 before 6.6.145; from 6.7 before 6.12.96; from 6.13 before 6.18.39 — fixed in 5.10.261, 5.15.212, 6.1.178, 6.12.96, 6.18.39, 6.6.145

How to fix

Upgrade to a fixed version: Linux kernel 5.10.261, 5.15.212, 6.1.178, 6.12.96. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/084d23f818321390509e9738a0b08bbf46df6425
• https://git.kernel.org/stable/c/0ddca0f90fa3395111d078ae4399615cf3ea94aa
• https://git.kernel.org/stable/c/13a5f532e3a4fc75c33060a026def1572c208643
• https://git.kernel.org/stable/c/43dd2332b8a27b3ac5108791680cade654ab0f96
• https://git.kernel.org/stable/c/5777c8f1c3610786d8482b8f620f40fccaf1542b
• https://git.kernel.org/stable/c/7b217960e88b5d2d1e8cdcbcaf3bdf6fe199a0c8
• https://git.kernel.org/stable/c/d2367d99f2455f373996d9ddbe833dbe9f942213
• https://git.kernel.org/stable/c/da32e78bbb187ed7b137e0007034185570a3a172
• https://cert-portal.siemens.com/productcert/html/ssa-019113.html
• https://cert-portal.siemens.com/productcert/html/ssa-457936.html

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