CVE-2026-90223

kernel: nfc: llcp: bound SNL TLV parsing to the skb and add length checks

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 17, 2026

Updated · October 14, 2026

Description

A flaw was found in the Near Field Communication (NFC) Logical Link Control Protocol (LLCP) in the Linux kernel. This vulnerability allows a nearby unauthenticated NFC device to trigger an out-of-bounds read during the parsing of Service Name List (SNL) Type-Length-Value (TLV) lists. This can occur due to insufficient length checks, potentially leading to information disclosure or a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-125 · Out-of-bounds Read