FKIE_CVE-2026-98575

Vulnerability from fkie_nvd - Published: 2026-10-18 16:17 - Updated: 2026-10-19 10:19
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid() frame->ccid.datalen is read directly from the USB response frame and used, unchecked, as an index into frame->data[]. A malicious or malfunctioning device can set this field to an arbitrary value, causing the driver to read far outside the received buffer. Bound ccid.datalen against the maximum possible ACR122 frame size before using it. This replaces the existing datalen == 0 check, since datalen < 2 already covers that case and additionally rejects datalen == 1, which would still underflow the "datalen - 2" offset used below.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2450a388367231fb7dd798538f393af227c00c4d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/72b8b2126e854d6756a1aa4bdc66d7457b832294
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/74b3fbc60907ee97e3af3249091f57351b53a6d6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8a0f1bb790d964893db7fc59febda9a534db07b3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8db3b1e012a8b25078dfa1efabe3d0cd2916dcba
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b61732f47316d45f27706db7812950145d3327b5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e72cbedc4596e808d22dd2b9fff666ece76f8dd6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ea82b7576793219fa10a8b545f8338998b2a9ce2
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/nfc/pn533/usb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8db3b1e012a8b25078dfa1efabe3d0cd2916dcba",
              "status": "affected",
              "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
              "versionType": "git"
            },
            {
              "lessThan": "74b3fbc60907ee97e3af3249091f57351b53a6d6",
              "status": "affected",
              "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
              "versionType": "git"
            },
            {
              "lessThan": "8a0f1bb790d964893db7fc59febda9a534db07b3",
              "status": "affected",
              "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
              "versionType": "git"
            },
            {
              "lessThan": "ea82b7576793219fa10a8b545f8338998b2a9ce2",
              "status": "affected",
              "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
              "versionType": "git"
            },
            {
              "lessThan": "72b8b2126e854d6756a1aa4bdc66d7457b832294",
              "status": "affected",
              "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
              "versionType": "git"
            },
            {
              "lessThan": "e72cbedc4596e808d22dd2b9fff666ece76f8dd6",
              "status": "affected",
              "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
              "versionType": "git"
            },
            {
              "lessThan": "2450a388367231fb7dd798538f393af227c00c4d",
              "status": "affected",
              "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
              "versionType": "git"
            },
            {
              "lessThan": "b61732f47316d45f27706db7812950145d3327b5",
              "status": "affected",
              "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/nfc/pn533/usb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.7"
            },
            {
              "lessThan": "4.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.271",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.222",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.189",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.158",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.112",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.55",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid()\n\nframe-\u003eccid.datalen is read directly from the USB response frame\nand used, unchecked, as an index into frame-\u003edata[]. A malicious or\nmalfunctioning device can set this field to an arbitrary value,\ncausing the driver to read far outside the received buffer.\n\nBound ccid.datalen against the maximum possible ACR122 frame size\nbefore using it. This replaces the existing datalen == 0 check,\nsince datalen \u003c 2 already covers that case and additionally\nrejects datalen == 1, which would still underflow the\n\"datalen - 2\" offset used below."
    }
  ],
  "id": "CVE-2026-98575",
  "lastModified": "2026-10-19T10:19:16.573",
  "metrics": {},
  "published": "2026-10-18T16:17:09.810",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2450a388367231fb7dd798538f393af227c00c4d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/72b8b2126e854d6756a1aa4bdc66d7457b832294"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/74b3fbc60907ee97e3af3249091f57351b53a6d6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8a0f1bb790d964893db7fc59febda9a534db07b3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8db3b1e012a8b25078dfa1efabe3d0cd2916dcba"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b61732f47316d45f27706db7812950145d3327b5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e72cbedc4596e808d22dd2b9fff666ece76f8dd6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ea82b7576793219fa10a8b545f8338998b2a9ce2"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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