{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-48865",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48865",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2024-07-16T12:25:27.843Z",
    "updatedAt": "2026-05-11T18:48:39.204Z",
    "importedAt": "2026-10-24T01:56:45.230Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "tipc: fix kernel panic when enabling bearer",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix kernel panic when enabling bearer\n\nWhen enabling a bearer on a node, a kernel panic is observed:\n\n[    4.498085] RIP: 0010:tipc_mon_prep+0x4e/0x130 [tipc]\n...\n[    4.520030] Call Trace:\n[    4.520689]  <IRQ>\n[    4.521236]  tipc_link_build_proto_msg+0x375/0x750 [tipc]\n[    4.522654]  tipc_link_build_state_msg+0x48/0xc0 [tipc]\n[    4.524034]  __tipc_node_link_up+0xd7/0x290 [tipc]\n[    4.525292]  tipc_rcv+0x5da/0x730 [tipc]\n[    4.526346]  ? __netif_receive_skb_core+0xb7/0xfc0\n[    4.527601]  tipc_l2_rcv_msg+0x5e/0x90 [tipc]\n[    4.528737]  __netif_receive_skb_list_core+0x20b/0x260\n[    4.530068]  netif_receive_skb_list_internal+0x1bf/0x2e0\n[    4.531450]  ? dev_gro_receive+0x4c2/0x680\n[    4.532512]  napi_complete_done+0x6f/0x180\n[    4.533570]  virtnet_poll+0x29c/0x42e [virtio_net]\n...\n\nThe node in question is receiving activate messages in another\nthread after changing bearer status to allow message sending/\nreceiving in current thread:\n\n         thread 1           |              thread 2\n         --------           |              --------\n                            |\ntipc_enable_bearer()        |\n  test_and_set_bit_lock()   |\n    tipc_bearer_xmit_skb()  |\n                            | tipc_l2_rcv_msg()\n                            |   tipc_rcv()\n                            |     __tipc_node_link_up()\n                            |       tipc_link_build_state_msg()\n                            |         tipc_link_build_proto_msg()\n                            |           tipc_mon_prep()\n                            |           {\n                            |             ...\n                            |             // null-pointer dereference\n                            |             u16 gen = mon->dom_gen;\n                            |             ...\n                            |           }\n  // Not being executed yet |\n  tipc_mon_create()         |\n  {                         |\n    ...                     |\n    // allocate             |\n    mon = kzalloc();        |\n    ...                     |\n  }                         |\n\nMonitoring pointer in thread 2 is dereferenced before monitoring data\nis allocated in thread 1. This causes kernel panic.\n\nThis commit fixes it by allocating the monitoring data before enabling\nthe bearer to receive messages.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2de76d37d4a6dca9b96ea51da24d4290e6cfa1a5"
            },
            {
              "version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f96dc3adb9a97b8f3dfdb88796483491a3006b71"
            },
            {
              "version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f4f59fdbc748805b08c13dae14c01f0518c77c94"
            },
            {
              "version": "35c55c9877f8de0ab129fa1a309271d0ecc868b9",
              "status": "affected",
              "versionType": "git",
              "lessThan": "be4977b847f5d5cedb64d50eaaf2218c3a55a3a3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.8"
            },
            {
              "version": "5.10.106",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.29",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "version": "5.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}