Linux Kernel CVE-2026-31545

Upgrade to a patched stable kernel version: 5.10.253 or later, 5.15.203 or later, 6.1.167 or later, 6.6.130 or later, 6.12.78 or later, 6.18.20 or later, 6.19.10 or later, or kernel 7.0 or later. Patch commits are available in the Linux stable tree at git.kernel.org (see references: 0c2320c3c860, 2a175bc3c338, c24dcac1a9d1, 70662874f646, 548a1bfe5913, 4de9ed2ea22d, 783f05e560d7, 55dc632ab2ac). Ubuntu users should apply USN-8567-1 via standard package management. For systems where kernel patching cannot be immediately performed, the practical hardware-level workaround is to avoid routing NXP NCI NFC firmware and enable GPIO pins through I2C GPIO expanders - using direct SoC GPIO connections eliminates the sleep-constraint conflict entirely, though this is typically not feasible on fixed PCB designs. The WARN_ON does not halt the kernel, so continued operation while scheduling a maintenance window for patching is viable.