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CVE-2026-31660 nfc: pn533: allocate rx skb before consuming bytes

🗓️ 24 Apr 2026 14:45:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 48 Views

CVE-2026-31660: nfc pn533 allocates receive buffer before consuming bytes to prevent null dereference and incorrect receive accounting.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/nfc/pn533/uart.c"
    ],
    "versions": [
      {
        "version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
        "lessThan": "2ca64fb7e2d2ae14619dd204d4f2f0a601f421fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
        "lessThan": "8b71299d587d9e4c830c18afb884c80ddb30ad28",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
        "lessThan": "16649adc2e19509104245ea1f349b629d858f11f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
        "lessThan": "07cb6c72e66ba548679f22ac29ad588da8999279",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
        "lessThan": "a9495069b43b8634c1ae0042e888766c34f66637",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
        "lessThan": "21ae2cda66a55c759607bbf1d23cbaa42019d2de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
        "lessThan": "7e37da42eda45d7859d9273fc7e225d8df458038",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
        "lessThan": "c71ba669b570c7b3f86ec875be222ea11dacb352",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/nfc/pn533/uart.c"
    ],
    "versions": [
      {
        "version": "5.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.169",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.135",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.82",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.23",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.13",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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