CVE-2026-53344EPSS p1.0%

CVE-2026-53344CVE-2026-53344

linux / linux_kernel

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mcp23s08: Initialize mcp->dev and mcp->addr before regmap init Regmap initialization triggers regcache_maple_populate() which attempts SPI read to populate cache. SPI read requires mcp->dev and mcp->addr to be set, without them, NULL pointer dereference occurs during probe. Move initialization before mcp23s08_spi_regmap_init() call.

Scoring

CVSS 5.5 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS0.10% probability of exploitation · percentile 1.0% · 2026-08-14T12:00:27Z
Last modified2026-07-23
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.