CVE-2026-43028
Netfilter x_tables Name Null-Termination Flaw
Publication date: 2026-05-01
Last updated on: 2026-05-08
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | From 5.11 (inc) to 5.15.203 (exc) |
| linux | linux_kernel | From 6.13 (inc) to 6.18.22 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.168 (exc) |
| linux | linux_kernel | From 6.19 (inc) to 6.19.12 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.81 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.134 (exc) |
| linux | linux_kernel | From 4.5 (inc) to 5.10.253 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
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.