bonding: limit BOND_MODE_8023AD to Ethernet devices

{
  "id": "c7c5afc1e23c1636eced9d767ba0dcfb9afbae5aaf51e9b54952208a95ed71a3",
  "url": "https://osv.dev/vulnerability/CVE-2026-23099",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "bonding: limit BOND_MODE_8023AD to Ethernet devices",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: bonding: limit BOND_MODE_8023AD to Ethernet devices BOND_MODE_8023AD makes sense for ARPHRD_ETHER only. syzbot reported: BUG: KASAN: global-out-of-bounds in __hw_addr_create net/core/dev_addr_lists.c:63 [inline] BUG: KASAN: global-out-of-bounds in __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118 Read of size 16 at addr ffffffff8bf94040 by task syz.1.3580/19497 CPU: 1 UID: 0 PID: 19497 Comm: syz.1.3580 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xca/0x240 mm/kasan/report.c:482 kasan_report+0x118/0x150 mm/kasan/report.c:595 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 __hw_addr_create net/core/dev_addr_lists.c:63 [inline] __hw_addr_add_ex+0x25d/0x760 net/core/dev_addr_lists.c:118 __dev_mc_add net/core/dev_addr_lists.c:868 [inline] dev_mc_add+0xa1/0x120 net/core/dev_addr_lists.c:886 bond_enslave+0x2b8b/0x3ac0 drivers/net/bonding/bond_main.c:2180 do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2963 do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3165 rtnl_changelink net/core/rtnetlink.c:3776 [inline] __rtnl_newlink net/core/rtnetlink.c:3935 [inline] rtnl_newlink+0x161c",
    "evidence": "osv:CVE-2026-23099",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.259",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.199",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.162",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.122",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.68",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-23099",
      "aliases": [
        "CVE-2026-23099"
      ],
      "affected": [
        {
          "ranges": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
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                  "fixed": "72925dbb0c8c7b16bf922e93c6cc03cbd8c955c4"
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                {
                  "fixed": "5063b2cd9b27d35ab788d707d7858ded0acc8f1d"
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                  "fixed": "80c881e53a4fa0a80fa4bef7bc0ead0e8e88940d"
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                {
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                {
                  "fixed": "43dee6f7ef1d228821de1b61c292af3744c8d7da"
                },
                {
                  "fixed": "c84fcb79e5dbde0b8d5aeeaf04282d2149aebcf6"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23099.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "2.6.24"
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                {
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                  "introduced": "5.16.0"
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                {
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                  "introduced": "6.2.0"
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              ]
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            {
              "type": "ECOSYSTEM",
              "events": [
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            {
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              "events": [
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                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.8"
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              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23099.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.755922293Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/19266182b82e9100c799d8a29f5e0452f0bf7703",
        "https://git.kernel.org/stable/c/43dee6f7ef1d228821de1b61c292af3744c8d7da",
        "https://git.kernel.org/stable/c/5063b2cd9b27d35ab788d707d7858ded0acc8f1d",
        "https://git.kernel.org/stable/c/72925dbb0c8c7b16bf922e93c6cc03cbd8c955c4",
        "https://git.kernel.org/stable/c/80c881e53a4fa0a80fa4bef7bc0ead0e8e88940d",
        "https://git.kernel.org/stable/c/c84fcb79e5dbde0b8d5aeeaf04282d2149aebcf6",
        "https://git.kernel.org/stable/c/ef68afb1bee8d35a18896c27d7358079353d8d8a",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23099.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-23099",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23099.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-23099",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 490268,
  "published_at": "2026-02-04T16:08:21.601+00:00"
}