GHSA-633G-3JMF-HX7H

Vulnerability from github – Published: 2026-05-28 12:30 – Updated: 2026-06-01 18:31
VLAI
Details

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

batman-adv: fix integer overflow on buff_pos

Fixing an integer overflow present in batadv_iv_ogm_send_to_if. The size check is done using the int type in batadv_iv_ogm_aggr_packet whereas the buff_pos variable uses the s16 type. This could lead to an out-of-bound read.

Severity
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-46198"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:35Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: fix integer overflow on buff_pos\n\nFixing an integer overflow present in batadv_iv_ogm_send_to_if. The size\ncheck is done using the int type in batadv_iv_ogm_aggr_packet whereas the\nbuff_pos variable uses the s16 type. This could lead to an out-of-bound\nread.",
  "id": "GHSA-633g-3jmf-hx7h",
  "modified": "2026-06-01T18:31:41Z",
  "published": "2026-05-28T12:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46198"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0799e5943611006b346b8813c7daf7dd5aa26bfd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/10bb1f366d884d506c38a947b43026a75d1afe9a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/867cd090760e8f5cd206f387b47ff9c56fac04e9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/96c9c0ed9a9579a9085765aceaa4556a6666eb82"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/974542d1efc48b7e9fe16184e647615cba39969b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b252797bfced986d6d92ec2f4cfcca842ce8aa78"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bf872db54f91ffe70104b98c20068b2d5910e018"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f61499359fa529f0d45a53bf7c573a49eb6322e6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/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.