CVE-2023-3863: Debian Linux

Medium severity, CVSS 4.1. EPSS: 0.2% chance of exploitation in the next 30 days.

A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only; version 12.0 only
• Linux Linux Kernel: before 6.5 (fixed in 6.5)

Published 2023-07-24. Last modified 2026-06-17.