tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()

{
  "id": "126df4fb089e116781c719ea6ceed183c0126823ec01c0f3779e8d010f3a9ccf",
  "url": "https://osv.dev/vulnerability/CVE-2024-26663",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: tipc: Check the bearer type before calling tipc_udp_nl_bearer_add() syzbot reported the following general protection fault [1]: general protection fault, probably for non-canonical address 0xdffffc0000000010: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000080-0x0000000000000087] ... RIP: 0010:tipc_udp_is_known_peer+0x9c/0x250 net/tipc/udp_media.c:291 ... Call Trace: tipc_udp_nl_bearer_add+0x212/0x2f0 net/tipc/udp_media.c:646 tipc_nl_bearer_add+0x21e/0x360 net/tipc/bearer.c:1089 genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:972 genl_family_rcv_msg net/netlink/genetlink.c:1052 [inline] genl_rcv_msg+0x561/0x800 net/netlink/genetlink.c:1067 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2544 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline] netlink_unicast+0x53b/0x810 net/netlink/af_netlink.c:1367 netlink_sendmsg+0x8b7/0xd70 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xd5/0x180 net/socket.c:745 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2584 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2638 __sys_sendmsg+0x117/0x1e0 net/socket.c:2667 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b The cause of this issue is that when tipc_nl_bearer_add() is called with the TIPC_NLA_BEARER_",
    "evidence": "osv:CVE-2024-26663",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.19.307",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.269",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.210",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.149",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.78",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.17",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.7.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-26663",
      "aliases": [
        "CVE-2024-26663"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                },
                {
                  "fixed": "24ec8f0da93b8a9fba11600be8a90f0d73fb46f1"
                },
                {
                  "fixed": "6f70f0b412458c622a12d4292782c8e92e210c2f"
                },
                {
                  "fixed": "19d7314f2fb9515bdaac9829d4d8eb34edd1fe95"
                },
                {
                  "fixed": "c1701ea85ef0ec7be6a1b36c7da69f572ed2fd12"
                },
                {
                  "fixed": "3d3a5b31b43515b5752ff282702ca546ec3e48b6"
                },
                {
                  "fixed": "888e3524be87f3df9fa3c083484e4b62b3e3bb59"
                },
                {
                  "fixed": "0cd331dfd6023640c9669d0592bc0fd491205f87"
                },
                {
                  "fixed": "3871aa01e1a779d866fa9dfdd5a836f342f4eb87"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26663.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.9.0"
                },
                {
                  "fixed": "4.19.307"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.20.0"
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                  "fixed": "5.4.269"
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            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "5.5.0"
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                {
                  "fixed": "5.10.210"
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              ]
            },
            {
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                  "introduced": "5.11.0"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.78"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.17"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26663.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.054817857Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0cd331dfd6023640c9669d0592bc0fd491205f87",
        "https://git.kernel.org/stable/c/19d7314f2fb9515bdaac9829d4d8eb34edd1fe95",
        "https://git.kernel.org/stable/c/24ec8f0da93b8a9fba11600be8a90f0d73fb46f1",
        "https://git.kernel.org/stable/c/3871aa01e1a779d866fa9dfdd5a836f342f4eb87",
        "https://git.kernel.org/stable/c/3d3a5b31b43515b5752ff282702ca546ec3e48b6",
        "https://git.kernel.org/stable/c/6f70f0b412458c622a12d4292782c8e92e210c2f",
        "https://git.kernel.org/stable/c/888e3524be87f3df9fa3c083484e4b62b3e3bb59",
        "https://git.kernel.org/stable/c/c1701ea85ef0ec7be6a1b36c7da69f572ed2fd12",
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26663.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-26663",
        "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/2024/26xxx/CVE-2024-26663.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-26663",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518276,
  "published_at": "2024-04-02T06:22:12.537+00:00"
}