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VULNERABILITIES

CVE-2026-98577 Details

Description

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().

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/0a0412745c86acd089c6460da715ab966b1615e7 kernel.org
https://git.kernel.org/stable/c/0c83a8a45fed256ccc5fe7160b436b671fc79fb8 kernel.org
https://git.kernel.org/stable/c/32b5f0b338bf59391a1cff9a6190a72c4d2c1ba8 kernel.org
https://git.kernel.org/stable/c/408cff6bd60636df201274d320edfdfde9ed41db kernel.org
https://git.kernel.org/stable/c/6fad2c34d451d11a9f3f946cae1105fee91d96b8 kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-98577
NVD Published Date:
Oct 18, 2026
NVD Last Modified:
Oct 19, 2026
Source:
kernel.org
CVE-2026-98577 Details - Not Deferred