{
  "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-2025-23145",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-23145",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-01T12:55:34.622Z",
    "updatedAt": "2026-10-15T21:51:58.841Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "mptcp: fix NULL pointer in can_accept_new_subflow",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix NULL pointer in can_accept_new_subflow\n\nWhen testing valkey benchmark tool with MPTCP, the kernel panics in\n'mptcp_can_accept_new_subflow' because subflow_req->msk is NULL.\n\nCall trace:\n\n  mptcp_can_accept_new_subflow (./net/mptcp/subflow.c:63 (discriminator 4)) (P)\n  subflow_syn_recv_sock (./net/mptcp/subflow.c:854)\n  tcp_check_req (./net/ipv4/tcp_minisocks.c:863)\n  tcp_v4_rcv (./net/ipv4/tcp_ipv4.c:2268)\n  ip_protocol_deliver_rcu (./net/ipv4/ip_input.c:207)\n  ip_local_deliver_finish (./net/ipv4/ip_input.c:234)\n  ip_local_deliver (./net/ipv4/ip_input.c:254)\n  ip_rcv_finish (./net/ipv4/ip_input.c:449)\n  ...\n\nAccording to the debug log, the same req received two SYN-ACK in a very\nshort time, very likely because the client retransmits the syn ack due\nto multiple reasons.\n\nEven if the packets are transmitted with a relevant time interval, they\ncan be processed by the server on different CPUs concurrently). The\n'subflow_req->msk' ownership is transferred to the subflow the first,\nand there will be a risk of a null pointer dereference here.\n\nThis patch fixes this issue by moving the 'subflow_req->msk' under the\n`own_req == true` conditional.\n\nNote that the !msk check in subflow_hmac_valid() can be dropped, because\nthe same check already exists under the own_req mpj branch where the\ncode has been moved to.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "9466a1ccebbe54ac57fb8a89c2b4b854826546a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8cf7fef1bb2ffea7792bcbf71ca00216cecc725d"
            },
            {
              "version": "9466a1ccebbe54ac57fb8a89c2b4b854826546a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b3088bd2a6790c8efff139d86d7a9d0b1305977b"
            },
            {
              "version": "9466a1ccebbe54ac57fb8a89c2b4b854826546a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "855bf0aacd51fced11ea9aa0d5101ee0febaeadb"
            },
            {
              "version": "9466a1ccebbe54ac57fb8a89c2b4b854826546a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7f9ae060ed64aef8f174c5f1ea513825b1be9af1"
            },
            {
              "version": "9466a1ccebbe54ac57fb8a89c2b4b854826546a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dc81e41a307df523072186b241fa8244fecd7803"
            },
            {
              "version": "9466a1ccebbe54ac57fb8a89c2b4b854826546a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "efd58a8dd9e7a709a90ee486a4247c923d27296f"
            },
            {
              "version": "9466a1ccebbe54ac57fb8a89c2b4b854826546a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4b2649b9717678aeb097893cc49f59311a1ecab0"
            },
            {
              "version": "9466a1ccebbe54ac57fb8a89c2b4b854826546a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "443041deb5ef6a1289a99ed95015ec7442f141dc"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.9",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.9"
            },
            {
              "version": "5.10.237",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.181",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.135",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.88",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.24",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.*"
            },
            {
              "version": "6.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}