GHSA-4CWH-PRX4-4W5P

Vulnerability from github – Published: 2026-05-01 15:30 – Updated: 2026-05-03 09:33
VLAI?
Details

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)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-43028"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-01T15:16:47Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: x_tables: ensure names are nul-terminated\n\nReject names that lack a \\0 character before feeding them\nto functions that expect c-strings.\n\nFixes tag is the most recent commit that needs this change.",
  "id": "GHSA-4cwh-prx4-4w5p",
  "modified": "2026-05-03T09:33:10Z",
  "published": "2026-05-01T15:30:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43028"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/673bbd36cba21d10a10f0932f479df7468e26fbb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/73124608172890306b85f2206d8b3cac20e324f1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a958a4f90ddd7de0800b33ca9d7b886b7d40f74e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aa6cd4a8863391e0a64f62d8922cb0af732a2cf2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bcac50ea0a29d430eedc5ac87b215393b567baa9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c2d4a3abb15ca14716c6d8b9ffcbcd7c63626af4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea01c1b219f5a11c66918abaa6f052e5a74041d6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f419bdc205894750f4d3ec042bc87a1b9cde1351"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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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.



Detection rules are retrieved from Rulezet.