CVE-2026-43028

HighCVSS 7.1/10Last modified Nov 11, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

netfilter: x_tables: ensure names are nul-terminated

Reject names that lack a \0 character before feeding them to functions that expect c-strings.

Fixes tag is the most recent commit that needs this change.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-170

Affected software

VendorProductVersions
LinuxLinux>= c38c4597e4bf3e99860eac98211748e1ecb0e139, < bcac50ea0a29d430eedc5ac87b215393b567baa9; >= c38c4597e4bf3e99860eac98211748e1ecb0e139, < ea01c1b219f5a11c66918abaa6f052e5a74041d6; >= c38c4597e4bf3e99860eac98211748e1ecb0e139, < aa6cd4a8863391e0a64f62d8922cb0af732a2cf2; >= c38c4597e4bf3e99860eac98211748e1ecb0e139, < c2d4a3abb15ca14716c6d8b9ffcbcd7c63626af4; >= c38c4597e4bf3e99860eac98211748e1ecb0e139, < 673bbd36cba21d10a10f0932f479df7468e26fbb; >= c38c4597e4bf3e99860eac98211748e1ecb0e139, < f419bdc205894750f4d3ec042bc87a1b9cde1351; >= c38c4597e4bf3e99860eac98211748e1ecb0e139, < 73124608172890306b85f2206d8b3cac20e324f1; >= c38c4597e4bf3e99860eac98211748e1ecb0e139, < a958a4f90ddd7de0800b33ca9d7b886b7d40f74e
LinuxLinux4.5
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)>= V3.1.7, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)>= V3.1.6, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)>= V3.1.5, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)>= V3.1.7, < *

References

Timeline

Published
May 1, 2026
Last modified
Nov 11, 2026
NVD status
Modified

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CVE-2026-43028: High severity, CVSS 7.1 | Vulnix