CVE-2026-43028 (GCVE-0-2026-43028)
Vulnerability from cvelistv5 – Published: 2026-05-01 14:15 – Updated: 2026-05-03 05:46
VLAI?
Title
netfilter: x_tables: ensure names are nul-terminated
Summary
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.
Severity ?
7.1 (High)
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
c38c4597e4bf3e99860eac98211748e1ecb0e139 , < bcac50ea0a29d430eedc5ac87b215393b567baa9
(git)
Affected: c38c4597e4bf3e99860eac98211748e1ecb0e139 , < ea01c1b219f5a11c66918abaa6f052e5a74041d6 (git) Affected: c38c4597e4bf3e99860eac98211748e1ecb0e139 , < aa6cd4a8863391e0a64f62d8922cb0af732a2cf2 (git) Affected: c38c4597e4bf3e99860eac98211748e1ecb0e139 , < c2d4a3abb15ca14716c6d8b9ffcbcd7c63626af4 (git) Affected: c38c4597e4bf3e99860eac98211748e1ecb0e139 , < 673bbd36cba21d10a10f0932f479df7468e26fbb (git) Affected: c38c4597e4bf3e99860eac98211748e1ecb0e139 , < f419bdc205894750f4d3ec042bc87a1b9cde1351 (git) Affected: c38c4597e4bf3e99860eac98211748e1ecb0e139 , < 73124608172890306b85f2206d8b3cac20e324f1 (git) Affected: c38c4597e4bf3e99860eac98211748e1ecb0e139 , < a958a4f90ddd7de0800b33ca9d7b886b7d40f74e (git) |
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{
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},
{
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},
{
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"status": "unaffected",
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},
{
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{
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},
{
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},
{
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},
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}
],
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}
],
"metrics": [
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-03T05:46:10.438Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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{
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{
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},
{
"url": "https://git.kernel.org/stable/c/a958a4f90ddd7de0800b33ca9d7b886b7d40f74e"
}
],
"title": "netfilter: x_tables: ensure names are nul-terminated",
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"cveId": "CVE-2026-43028",
"datePublished": "2026-05-01T14:15:29.192Z",
"dateReserved": "2026-05-01T14:12:55.976Z",
"dateUpdated": "2026-05-03T05:46:10.438Z",
"state": "PUBLISHED"
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"date": "2026-05-04",
"epss": "0.00012",
"percentile": "0.0176"
},
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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