CVE-2026-43028
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Netfilter x_tables Name Null-Termination Flaw

Publication date: 2026-05-01

Last updated on: 2026-05-03

Assigner: kernel.org

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.
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Meta Information
Published
2026-05-01
Last Modified
2026-05-03
Generated
2026-05-07
AI Q&A
2026-05-01
EPSS Evaluated
2026-05-05
NVD
CVE-2026-43028
EUVD
EUVD-2026-26627
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Linux kernel's netfilter x_tables component involves improper handling of string names. Specifically, names that lack a null-terminating character (\0) were not properly rejected before being passed to functions expecting C-style strings. This could lead to unexpected behavior or errors.


How can this vulnerability impact me? :

If exploited, this vulnerability could cause functions that expect null-terminated strings to process malformed input, potentially leading to crashes, memory corruption, or other unpredictable behavior in the Linux kernel's netfilter subsystem.


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