Vulnerability-Lookup

GHSA-633G-3JMF-HX7H

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: 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.

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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": null
  },
  "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": "2026-05-28T12:30:32Z",
  "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/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": []
}

CVE-2026-46198 (GCVE-0-2026-46198)

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

Title

batman-adv: fix integer overflow on buff_pos

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.

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/f61499359fa529f0d…
https://git.kernel.org/stable/c/974542d1efc48b7e9…
https://git.kernel.org/stable/c/bf872db54f91ffe70…
https://git.kernel.org/stable/c/b252797bfced986d6…
https://git.kernel.org/stable/c/0799e5943611006b3…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c6c8fea29769d998d94fcec9b9f14d4b52b349d3 , < f61499359fa529f0d45a53bf7c573a49eb6322e6 (git) Affected: c6c8fea29769d998d94fcec9b9f14d4b52b349d3 , < 974542d1efc48b7e9fe16184e647615cba39969b (git) Affected: c6c8fea29769d998d94fcec9b9f14d4b52b349d3 , < bf872db54f91ffe70104b98c20068b2d5910e018 (git) Affected: c6c8fea29769d998d94fcec9b9f14d4b52b349d3 , < b252797bfced986d6d92ec2f4cfcca842ce8aa78 (git) Affected: c6c8fea29769d998d94fcec9b9f14d4b52b349d3 , < 0799e5943611006b346b8813c7daf7dd5aa26bfd (git)
Linux	Linux	Affected: 2.6.38 Unaffected: 0 , < 2.6.38 (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/bat_iv_ogm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f61499359fa529f0d45a53bf7c573a49eb6322e6",
              "status": "affected",
              "version": "c6c8fea29769d998d94fcec9b9f14d4b52b349d3",
              "versionType": "git"
            },
            {
              "lessThan": "974542d1efc48b7e9fe16184e647615cba39969b",
              "status": "affected",
              "version": "c6c8fea29769d998d94fcec9b9f14d4b52b349d3",
              "versionType": "git"
            },
            {
              "lessThan": "bf872db54f91ffe70104b98c20068b2d5910e018",
              "status": "affected",
              "version": "c6c8fea29769d998d94fcec9b9f14d4b52b349d3",
              "versionType": "git"
            },
            {
              "lessThan": "b252797bfced986d6d92ec2f4cfcca842ce8aa78",
              "status": "affected",
              "version": "c6c8fea29769d998d94fcec9b9f14d4b52b349d3",
              "versionType": "git"
            },
            {
              "lessThan": "0799e5943611006b346b8813c7daf7dd5aa26bfd",
              "status": "affected",
              "version": "c6c8fea29769d998d94fcec9b9f14d4b52b349d3",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/batman-adv/bat_iv_ogm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.38"
            },
            {
              "lessThan": "2.6.38",
              "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": "2.6.38",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.90",
                  "versionStartIncluding": "2.6.38",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.32",
                  "versionStartIncluding": "2.6.38",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.9",
                  "versionStartIncluding": "2.6.38",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc4",
                  "versionStartIncluding": "2.6.38",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:40:14.558Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "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": "2026-05-28T09:40:14.558Z",
    "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-633G-3JMF-HX7H

CVE-2026-46198 (GCVE-0-2026-46198)

Tags

Sightings

Nomenclature