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CVE-2026-98577

nfc: llcp: fix WKS SAP hijacking via prefix match in nfc_llcp_wks_sap()

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().
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version d646960f7986fefb460a2b062d5ccc8ccfeacc3a
Version < 0c83a8a45fed256ccc5fe7160b436b671fc79fb8
Status affected
Version d646960f7986fefb460a2b062d5ccc8ccfeacc3a
Version < aa555ed5ed0d15efbaf27e0e9f152a6df715278a
Status affected
Version d646960f7986fefb460a2b062d5ccc8ccfeacc3a
Version < 32b5f0b338bf59391a1cff9a6190a72c4d2c1ba8
Status affected
Version d646960f7986fefb460a2b062d5ccc8ccfeacc3a
Version < 6fad2c34d451d11a9f3f946cae1105fee91d96b8
Status affected
Version d646960f7986fefb460a2b062d5ccc8ccfeacc3a
Version < bf41af8f910cbb5d776a1dfa0671d31a7e262e28
Status affected
Version d646960f7986fefb460a2b062d5ccc8ccfeacc3a
Version < f234197f3bda3aea5d4b1e591d6bcb3660a8b3fc
Status affected
Version d646960f7986fefb460a2b062d5ccc8ccfeacc3a
Version < 0a0412745c86acd089c6460da715ab966b1615e7
Status affected
Version d646960f7986fefb460a2b062d5ccc8ccfeacc3a
Version < 408cff6bd60636df201274d320edfdfde9ed41db
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 3.3
Status affected
Version 0
Version < 3.3
Status unaffected
Version <= 5.10.*
Version 5.10.271
Status unaffected
Version <= 5.15.*
Version 5.15.222
Status unaffected
Version <= 6.1.*
Version 6.1.189
Status unaffected
Version <= 6.6.*
Version 6.6.158
Status unaffected
Version <= 6.12.*
Version 6.12.112
Status unaffected
Version <= 6.18.*
Version 6.18.55
Status unaffected
Version <= 7.2.*
Version 7.2.9
Status unaffected
Version <= *
Version 7.3
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.106
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/0c83a8a45fed256ccc5fe7160b436b671fc79fb8
https://git.kernel.org/stable/c/aa555ed5ed0d15efbaf27e0e9f152a6df715278a
https://git.kernel.org/stable/c/32b5f0b338bf59391a1cff9a6190a72c4d2c1ba8
https://git.kernel.org/stable/c/6fad2c34d451d11a9f3f946cae1105fee91d96b8
https://git.kernel.org/stable/c/bf41af8f910cbb5d776a1dfa0671d31a7e262e28
https://git.kernel.org/stable/c/f234197f3bda3aea5d4b1e591d6bcb3660a8b3fc
https://git.kernel.org/stable/c/0a0412745c86acd089c6460da715ab966b1615e7
https://git.kernel.org/stable/c/408cff6bd60636df201274d320edfdfde9ed41db