CVE-2026-64412

netfilter: ebtables: module names must be null-terminated

HIGH
7.1
CVSS Score
Published: July 25, 2026 at 08:50 AM UTC
Updated: October 19, 2026 at 09:17 PM UTC
4 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 CPU 1518-4 Pn /dp MFP FirmwareSiplus S7-1500 CPU 1518-4 Pn /dp MFP Firmware

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Severity
HIGH7.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.6.1 ≤ v < 5.10.2615.11 ≤ v < 5.15.2125.16 ≤ v < 6.1.1786.13 ≤ v < 6.18.396.19 ≤ v < 7.1.46.2 ≤ v < 6.6.1456.7 ≤ v < 6.12.964.64.6 rc54.6 rc64.6 rc77.27.2 rc17.2 rc2bcf4934288402be3464110109a4dae3bd6fb3e93
Vendor states this is fixed in 084d23f818321390509e9738a0b08bbf46df6425 (fixed)
Vendor states this is fixed in 0ddca0f90fa3395111d078ae4399615cf3ea94aa (fixed)
Vendor states this is fixed in 13a5f532e3a4fc75c33060a026def1572c208643 (fixed)
Vendor states this is fixed in 43dd2332b8a27b3ac5108791680cade654ab0f96 (fixed)
Vendor states this is fixed in 5777c8f1c3610786d8482b8f620f40fccaf1542b (fixed)
Vendor states this is fixed in 7b217960e88b5d2d1e8cdcbcaf3bdf6fe199a0c8 (fixed)
Vendor states this is fixed in d2367d99f2455f373996d9ddbe833dbe9f942213 (fixed)
Vendor states this is fixed in da32e78bbb187ed7b137e0007034185570a3a172 (fixed)
Vendor states this is fixed in 4.6 (unaffected)
Vendor states this is fixed in 5.10.261 (unaffected)
Vendor states this is fixed in 5.15.212 (unaffected)
Vendor states this is fixed in 6.1.178 (unaffected)
Vendor states this is fixed in 6.12.96 (unaffected)
Vendor states this is fixed in 6.18.39 (unaffected)
Vendor states this is fixed in 6.6.145 (unaffected)
Vendor states this is fixed in 7.1.4 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-OtherCWE-125

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