CVE-2026-46198 (GCVE-0-2026-46198)
Vulnerability from cvelistv5
Published
2026-05-28 09:40
Modified
2026-06-14 18:02
Summary
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.
Impacted products
Vendor Product Version
Linux Linux Version: c6c8fea29769d998d94fcec9b9f14d4b52b349d3
Version: c6c8fea29769d998d94fcec9b9f14d4b52b349d3
Version: c6c8fea29769d998d94fcec9b9f14d4b52b349d3
Version: c6c8fea29769d998d94fcec9b9f14d4b52b349d3
Version: c6c8fea29769d998d94fcec9b9f14d4b52b349d3
Version: c6c8fea29769d998d94fcec9b9f14d4b52b349d3
Version: c6c8fea29769d998d94fcec9b9f14d4b52b349d3
Version: c6c8fea29769d998d94fcec9b9f14d4b52b349d3
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{
  "containers": {
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        {
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          "programFiles": [
            "net/batman-adv/bat_iv_ogm.c"
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          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "2.6.38"
            },
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              "status": "unaffected",
              "version": "0",
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              "status": "unaffected",
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            },
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              "version": "7.1",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
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              ],
              "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: 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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T18:02:03.705Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/867cd090760e8f5cd206f387b47ff9c56fac04e9"
        },
        {
          "url": "https://git.kernel.org/stable/c/10bb1f366d884d506c38a947b43026a75d1afe9a"
        },
        {
          "url": "https://git.kernel.org/stable/c/96c9c0ed9a9579a9085765aceaa4556a6666eb82"
        },
        {
          "url": "https://git.kernel.org/stable/c/f61499359fa529f0d45a53bf7c573a49eb6322e6"
        },
        {
          "url": "https://git.kernel.org/stable/c/974542d1efc48b7e9fe16184e647615cba39969b"
        },
        {
          "url": "https://git.kernel.org/stable/c/bf872db54f91ffe70104b98c20068b2d5910e018"
        },
        {
          "url": "https://git.kernel.org/stable/c/b252797bfced986d6d92ec2f4cfcca842ce8aa78"
        },
        {
          "url": "https://git.kernel.org/stable/c/0799e5943611006b346b8813c7daf7dd5aa26bfd"
        }
      ],
      "title": "batman-adv: fix integer overflow on buff_pos",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46198",
    "datePublished": "2026-05-28T09:40:14.558Z",
    "dateReserved": "2026-05-13T15:03:33.104Z",
    "dateUpdated": "2026-06-14T18:02:03.705Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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