CVE-2026-52913 (GCVE-0-2026-52913)

Vulnerability from cvelistv5 – Published: 2026-06-24 07:14 – Updated: 2026-06-24 07:14
VLAI
Title
batman-adv: v: stop OGMv2 on disabled interface
Summary
In the Linux kernel, the following vulnerability has been resolved: batman-adv: v: stop OGMv2 on disabled interface When a batadv_hard_iface is disabled, its mesh_iface pointer is set to NULL. However, batadv_v_ogm_send_meshif() may still dispatch OGMs via batadv_v_ogm_queue_on_if() for interfaces that have since lost their mesh_iface association. This results in a NULL pointer dereference when batadv_v_ogm_queue_on_if() unconditionally calls netdev_priv() on the now NULL hard_iface->mesh_iface to retrieve the batadv_priv. It is necessary to ensure that the batadv_v_ogm_queue_on_if() checks that it is using the same mesh_iface for which batadv_v_ogm_send_meshif() was called.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0da0035942d47766c32843143fb5dba7a29cb48c , < d7391a2b854a62235539c68e9cbf6fc7910a8e9a (git)
Affected: 0da0035942d47766c32843143fb5dba7a29cb48c , < 70c9f6ab0d8f785087fb74fb85464a9a5288bfdb (git)
Affected: 0da0035942d47766c32843143fb5dba7a29cb48c , < 040fe8eb34624002071dd21de9824dfe668ce65d (git)
Affected: 0da0035942d47766c32843143fb5dba7a29cb48c , < 31dcb9711abd1dcd2080d9fac05c79dd9997d6bf (git)
Affected: 0da0035942d47766c32843143fb5dba7a29cb48c , < aad70db50ea3d7dfe30e402b889ff075a293b287 (git)
Affected: 0da0035942d47766c32843143fb5dba7a29cb48c , < 1be1e99cbd5b74a69d3f92200ca87cf1bce852db (git)
Affected: 0da0035942d47766c32843143fb5dba7a29cb48c , < 4ff461af943efb5e74d09942d5ffee7644d1e1fe (git)
Affected: 0da0035942d47766c32843143fb5dba7a29cb48c , < f8ce8b8331a1bc44ad4905886a482214d428b253 (git)
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Linux Linux Affected: 4.6
Unaffected: 0 , < 4.6 (semver)
Unaffected: 5.10.259 , ≤ 5.10.* (semver)
Unaffected: 5.15.210 , ≤ 5.15.* (semver)
Unaffected: 6.1.176 , ≤ 6.1.* (semver)
Unaffected: 6.6.143 , ≤ 6.6.* (semver)
Unaffected: 6.12.93 , ≤ 6.12.* (semver)
Unaffected: 6.18.34 , ≤ 6.18.* (semver)
Unaffected: 7.0.11 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: v: stop OGMv2 on disabled interface\n\nWhen a batadv_hard_iface is disabled, its mesh_iface pointer is set to\nNULL. However, batadv_v_ogm_send_meshif() may still dispatch OGMs via\nbatadv_v_ogm_queue_on_if() for interfaces that have since lost their\nmesh_iface association. This results in a NULL pointer dereference when\nbatadv_v_ogm_queue_on_if() unconditionally calls netdev_priv() on the\nnow NULL hard_iface-\u003emesh_iface to retrieve the batadv_priv.\n\nIt is necessary to ensure that the batadv_v_ogm_queue_on_if() checks that\nit is using the same mesh_iface for which batadv_v_ogm_send_meshif() was\ncalled."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-24T07:14:11.248Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/d7391a2b854a62235539c68e9cbf6fc7910a8e9a"
        },
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          "url": "https://git.kernel.org/stable/c/70c9f6ab0d8f785087fb74fb85464a9a5288bfdb"
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      "title": "batman-adv: v: stop OGMv2 on disabled interface",
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    "cveId": "CVE-2026-52913",
    "datePublished": "2026-06-24T07:14:11.248Z",
    "dateReserved": "2026-06-09T07:44:35.367Z",
    "dateUpdated": "2026-06-24T07:14:11.248Z",
    "state": "PUBLISHED"
  },
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      "date": "2026-06-29",
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    },
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This results in a NULL pointer dereference when\\nbatadv_v_ogm_queue_on_if() unconditionally calls netdev_priv() on the\\nnow NULL hard_iface-\u003emesh_iface to retrieve the batadv_priv.\\n\\nIt is necessary to ensure that the batadv_v_ogm_queue_on_if() checks that\\nit is using the same mesh_iface for which batadv_v_ogm_send_meshif() was\\ncalled.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/batman-adv/bat_v_ogm.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"0da0035942d47766c32843143fb5dba7a29cb48c\",\"lessThan\":\"d7391a2b854a62235539c68e9cbf6fc7910a8e9a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0da0035942d47766c32843143fb5dba7a29cb48c\",\"lessThan\":\"70c9f6ab0d8f785087fb74fb85464a9a5288bfdb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0da0035942d47766c32843143fb5dba7a29cb48c\",\"lessThan\":\"040fe8eb34624002071dd21de9824dfe668ce65d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0da0035942d47766c32843143fb5dba7a29cb48c\",\"lessThan\":\"31dcb9711abd1dcd2080d9fac05c79dd9997d6bf\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0da0035942d47766c32843143fb5dba7a29cb48c\",\"lessThan\":\"aad70db50ea3d7dfe30e402b889ff075a293b287\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0da0035942d47766c32843143fb5dba7a29cb48c\",\"lessThan\":\"1be1e99cbd5b74a69d3f92200ca87cf1bce852db\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0da0035942d47766c32843143fb5dba7a29cb48c\",\"lessThan\":\"4ff461af943efb5e74d09942d5ffee7644d1e1fe\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0da0035942d47766c32843143fb5dba7a29cb48c\",\"lessThan\":\"f8ce8b8331a1bc44ad4905886a482214d428b253\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/batman-adv/bat_v_ogm.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.6\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.6\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.259\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.210\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.176\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.143\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.93\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.34\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.11\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/040fe8eb34624002071dd21de9824dfe668ce65d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1be1e99cbd5b74a69d3f92200ca87cf1bce852db\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/31dcb9711abd1dcd2080d9fac05c79dd9997d6bf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4ff461af943efb5e74d09942d5ffee7644d1e1fe\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/70c9f6ab0d8f785087fb74fb85464a9a5288bfdb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aad70db50ea3d7dfe30e402b889ff075a293b287\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d7391a2b854a62235539c68e9cbf6fc7910a8e9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f8ce8b8331a1bc44ad4905886a482214d428b253\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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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

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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.