CVE-2026-98581Medium· 4.7▾ SunlitA flaw was found in the Linux kernel's Near Field Communication (NFC) Logical Link Control Protocol (LLCP) implementation. When handling specific disconnection packets, the kernel fails to properly lock and unlink sockets before updating t…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 25.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
Last analysed / modified upstream
0.2%
— → 4.7
none → medium
0.2% → 0.2%
A flaw was found in the Linux kernel's Near Field Communication (NFC) Logical Link Control Protocol (LLCP) implementation. When handling specific disconnection packets, the kernel fails to properly lock and unlink sockets before updating their state, leading to internal socket list corruption. A local user can exploit this flaw through concurrent socket operations to continuously leak kernel memory, ultimately causing system resource exhaustion and a Denial of Service (DoS).
kernel: nfc: llcp: Fix list corruption / refcount desync in nfc_llcp_recv_dm() — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-20.
Not affected:
Refer to the advisory for fix availability.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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