{
  "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-2026-80794",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-80794",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-04T15:13:07.169Z",
    "updatedAt": "2026-10-19T08:43:47.481Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "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": "nfc: nci: fix uninit-value in the RF discover/activated NTF handlers",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: nci: fix uninit-value in the RF discover/activated NTF handlers\n\nnci_rf_discover_ntf_packet() and nci_rf_intf_activated_ntf_packet() each\nparse a notification into an on-stack struct (nci_rf_discover_ntf /\nnci_rf_intf_activated_ntf) that is not initialised. The RF\ntechnology-specific parameters are only extracted when\nrf_tech_specific_params_len is non-zero, so a notification that reports a\nzero length leaves the rf_tech_specific_params union uninitialised - and\nboth handlers then pass it to nci_add_new_protocol(), which reads it:\n\n - discover:  nci_add_new_target() -> nci_add_new_protocol();\n - activated: nci_target_auto_activated() -> nci_add_new_protocol().\n\nnci_add_new_protocol() uses nfca_poll->nfcid1_len as both a branch\ncondition and a memcpy() length and copies nfcid1/sens_res/sel_res into\nndev->targets, which is later exposed to user space via NFC_CMD_GET_TARGET.\n\n  BUG: KMSAN: uninit-value in nci_add_new_protocol+0x624/0x6c0\n   nci_add_new_protocol+0x624/0x6c0\n   nci_ntf_packet+0x25b2/0x3c30\n   nci_rx_work+0x318/0x5d0\n   process_scheduled_works+0x84b/0x17a0\n   worker_thread+0xc10/0x11b0\n   kthread+0x376/0x500\n  Local variable ntf.i created at:\n   nci_ntf_packet+0xbc2/0x3c30\n\nZero-initialise both on-stack notifications so the union reads back as\nzero when no technology-specific parameters are present.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1007a6b429d756513abd25bd00290908f2e89a4a"
            },
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4bda9ef8392710f21e99027467f3f4afdfb5c99a"
            },
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fe69fed3495f676578d49414a069ad7d8468e2ce"
            },
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7489f59d1ea2d3298aa41de7baf193e5e6e132f6"
            },
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7086dab72b3ed95df96842801e10e935cfeb27a3"
            },
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0d4b5cfab6891a5ca0f6aef209beebba4bd7c095"
            },
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5bd00c0e1470d90d77a7c60242854257ddf14e00"
            },
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d6f743d3d388913135681cde051c08823730194f"
            },
            {
              "version": "e8c0dacd9836dc2dcb28d236c9cc3cfaa9965a20",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8cbe06c1e699c0a165dae5093a2550e65f914818"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.3"
            },
            {
              "version": "5.10.269",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.218",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.185",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.154",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.106",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.47",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2.1",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}