Vulnerability-Lookup

GHSA-QGQ4-QMM7-R3P4

Vulnerability from github – Published: 2026-05-28 12:30 – Updated: 2026-05-28 12:30

Details

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

batman-adv: reject new tp_meter sessions during teardown

Prevent tp_meter from starting new sender or receiver sessions after mesh_state has left BATADV_MESH_ACTIVE.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46206"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:36Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: reject new tp_meter sessions during teardown\n\nPrevent tp_meter from starting new sender or receiver sessions after\nmesh_state has left BATADV_MESH_ACTIVE.",
  "id": "GHSA-qgq4-qmm7-r3p4",
  "modified": "2026-05-28T12:30:33Z",
  "published": "2026-05-28T12:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46206"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3243543592425beec83d453793e9d27caa0d8e66"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca39545cf07c142b39d474a1439a046bf28def3d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e1e2194cc725ec1d41f9412496212f0fa0519c36"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e4a3c4a4c8f6efd243c3e448c05b7bebcbf7b3b6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff93f86ecbb50a4709c403fc279a396e308edde5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-46206 (GCVE-0-2026-46206)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:40 – Updated: 2026-05-28 09:40

Title

batman-adv: reject new tp_meter sessions during teardown

Summary

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject new tp_meter sessions during teardown Prevent tp_meter from starting new sender or receiver sessions after mesh_state has left BATADV_MESH_ACTIVE.

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/e4a3c4a4c8f6efd24…
https://git.kernel.org/stable/c/ff93f86ecbb50a470…
https://git.kernel.org/stable/c/e1e2194cc725ec1d4…
https://git.kernel.org/stable/c/ca39545cf07c142b3…
https://git.kernel.org/stable/c/3243543592425beec…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 33a3bb4a3345bb511f9c69c913da95d4693e2a4e , < e4a3c4a4c8f6efd243c3e448c05b7bebcbf7b3b6 (git) Affected: 33a3bb4a3345bb511f9c69c913da95d4693e2a4e , < ff93f86ecbb50a4709c403fc279a396e308edde5 (git) Affected: 33a3bb4a3345bb511f9c69c913da95d4693e2a4e , < e1e2194cc725ec1d41f9412496212f0fa0519c36 (git) Affected: 33a3bb4a3345bb511f9c69c913da95d4693e2a4e , < ca39545cf07c142b39d474a1439a046bf28def3d (git) Affected: 33a3bb4a3345bb511f9c69c913da95d4693e2a4e , < 3243543592425beec83d453793e9d27caa0d8e66 (git)
Linux	Linux	Affected: 4.8 Unaffected: 0 , < 4.8 (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.90 , ≤ 6.12.* (semver) Unaffected: 6.18.32 , ≤ 6.18.* (semver) Unaffected: 7.0.9 , ≤ 7.0.* (semver) Unaffected: 7.1-rc4 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/batman-adv/tp_meter.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e4a3c4a4c8f6efd243c3e448c05b7bebcbf7b3b6",
              "status": "affected",
              "version": "33a3bb4a3345bb511f9c69c913da95d4693e2a4e",
              "versionType": "git"
            },
            {
              "lessThan": "ff93f86ecbb50a4709c403fc279a396e308edde5",
              "status": "affected",
              "version": "33a3bb4a3345bb511f9c69c913da95d4693e2a4e",
              "versionType": "git"
            },
            {
              "lessThan": "e1e2194cc725ec1d41f9412496212f0fa0519c36",
              "status": "affected",
              "version": "33a3bb4a3345bb511f9c69c913da95d4693e2a4e",
              "versionType": "git"
            },
            {
              "lessThan": "ca39545cf07c142b39d474a1439a046bf28def3d",
              "status": "affected",
              "version": "33a3bb4a3345bb511f9c69c913da95d4693e2a4e",
              "versionType": "git"
            },
            {
              "lessThan": "3243543592425beec83d453793e9d27caa0d8e66",
              "status": "affected",
              "version": "33a3bb4a3345bb511f9c69c913da95d4693e2a4e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/batman-adv/tp_meter.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.8"
            },
            {
              "lessThan": "4.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.90",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.32",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "4.8",
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                },
                {
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                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: reject new tp_meter sessions during teardown\n\nPrevent tp_meter from starting new sender or receiver sessions after\nmesh_state has left BATADV_MESH_ACTIVE."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:40:23.993Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/e4a3c4a4c8f6efd243c3e448c05b7bebcbf7b3b6"
        },
        {
          "url": "https://git.kernel.org/stable/c/ff93f86ecbb50a4709c403fc279a396e308edde5"
        },
        {
          "url": "https://git.kernel.org/stable/c/e1e2194cc725ec1d41f9412496212f0fa0519c36"
        },
        {
          "url": "https://git.kernel.org/stable/c/ca39545cf07c142b39d474a1439a046bf28def3d"
        },
        {
          "url": "https://git.kernel.org/stable/c/3243543592425beec83d453793e9d27caa0d8e66"
        }
      ],
      "title": "batman-adv: reject new tp_meter sessions during teardown",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46206",
    "datePublished": "2026-05-28T09:40:23.993Z",
    "dateReserved": "2026-05-13T15:03:33.105Z",
    "dateUpdated": "2026-05-28T09:40:23.993Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-QGQ4-QMM7-R3P4

CVE-2026-46206 (GCVE-0-2026-46206)

Tags

Sightings

Nomenclature