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CVE-2026-98577 nfc: llcp: fix WKS SAP hijacking via prefix match in nfc_llcp_wks_sap()

🗓️ 18 Oct 2026 15:18:47Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Prefix match in nfc_llcp_wks_sap() allows WKS SAP hijacking in the Linux kernel.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-98577
18 Oct 202615:18
–cve
debiancve
Debian CVE
CVE-2026-98577
18 Oct 202615:18
–debiancve
euvd
EUVD
EUVD-2026-103622
18 Oct 202615:18
–euvd
nvd
NVD
CVE-2026-98577
18 Oct 202616:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-98577
18 Oct 202617:47
–osv_debian
ptsecurity
Positive Technologies
PT-2026-116796
18 Oct 202600:00
–ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/nfc/llcp_core.c"
    ],
    "versions": [
      {
        "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
        "lessThan": "0c83a8a45fed256ccc5fe7160b436b671fc79fb8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
        "lessThan": "aa555ed5ed0d15efbaf27e0e9f152a6df715278a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
        "lessThan": "32b5f0b338bf59391a1cff9a6190a72c4d2c1ba8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
        "lessThan": "6fad2c34d451d11a9f3f946cae1105fee91d96b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
        "lessThan": "bf41af8f910cbb5d776a1dfa0671d31a7e262e28",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
        "lessThan": "f234197f3bda3aea5d4b1e591d6bcb3660a8b3fc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
        "lessThan": "0a0412745c86acd089c6460da715ab966b1615e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d646960f7986fefb460a2b062d5ccc8ccfeacc3a",
        "lessThan": "408cff6bd60636df201274d320edfdfde9ed41db",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/nfc/llcp_core.c"
    ],
    "versions": [
      {
        "version": "3.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.271",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.55",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.9",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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