CVE-2026-98577None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: nfc: llcp: fix WKS SAP hijacking via prefix match in nfc_llcp_wks_sap() nfc_llcp_wks_sap() compares only service_name_len bytes, so a short service_name like "u" match…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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In the Linux kernel, the following vulnerability has been resolved:
nfc: llcp: fix WKS SAP hijacking via prefix match in nfc_llcp_wks_sap()
nfc_llcp_wks_sap() compares only service_name_len bytes, so a short service_name like "u" matches longer WKS strings like "urn:nfc:sn:snep". Fix by requiring exact length match before strncmp().
Linux >= d646960f7986fefb460a2b062d5ccc8ccfeacc3a < 0c83a8a45fed256ccc5fe7160b436b671fc79fb8Linux >= d646960f7986fefb460a2b062d5ccc8ccfeacc3a < aa555ed5ed0d15efbaf27e0e9f152a6df715278aLinux >= d646960f7986fefb460a2b062d5ccc8ccfeacc3a < 32b5f0b338bf59391a1cff9a6190a72c4d2c1ba8Linux >= d646960f7986fefb460a2b062d5ccc8ccfeacc3a < 6fad2c34d451d11a9f3f946cae1105fee91d96b8Linux >= d646960f7986fefb460a2b062d5ccc8ccfeacc3a < bf41af8f910cbb5d776a1dfa0671d31a7e262e28Linux >= d646960f7986fefb460a2b062d5ccc8ccfeacc3a < f234197f3bda3aea5d4b1e591d6bcb3660a8b3fcLinux >= d646960f7986fefb460a2b062d5ccc8ccfeacc3a < 0a0412745c86acd089c6460da715ab966b1615e7Linux >= d646960f7986fefb460a2b062d5ccc8ccfeacc3a < 408cff6bd60636df201274d320edfdfde9ed41dbLinux 3.3Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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