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nfc: digital: clamp SENSF_RES length to the destination buffer

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: nfc: digital: clamp SENSF_RES length to the destination buffer digital_in_recv_sensf_res() memcpy()s resp->len bytes from a remote NFC-F device response into the NFC_SENSF_RES_MAXSIZE-byte target.sensf_res field without an upper-bound check. A nearby malicious NFC-F device can send an oversized SENSF_RES response to overflow the stack-local struct nfc_target. Clamp resp->len to NFC_SENSF_RES_MAXSIZE before the copy. Found by 0sec automated security-research tooling (https://0sec.ai).

Announced Source revision 1
Original source ↗

CVE-2026-80803

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-80803

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "6afb29751ee731e7f7a96feb8a15f91441e552ba",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "e886c63d2ca7108826076989103a1ffa8a0bb8f4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "4e942da2869bcd646353eef706b7dd82efeb9db5",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "d0756a98277e383c26fead988a96c91f0781cd7f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "af4c0606f743e009254a8d252096855335ade85d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "a56773e649ea99b344d6bbaf90f34c8e3fadef5d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "31aa28ed732f66ab83c40ef53d99791be69b85c4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8c0695e4998dd268ff2a05951961247b7e015651",
        "lessThan": "344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/nfc/digital_technology.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.13"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.13",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.267",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.218",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.185",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.154",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.106",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.47",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.1.11",
        "versionType": "semver",
        "lessThanOrEqual": "7.1.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.1",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/nfc/digital_technology.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-80803

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#34821 · Revision 1
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Publisher date
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