PT-2026-54812 · Linux · Linux

Publicado 2026-07-01 · Atualizado 2026-07-01 · CVE-2026-53344

Mitre

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.

Identificadores relacionados

CVE-2026-53344

Produtos afetados

Linux

Referências · 3

• https://git.kernel.org/stable/c/8473c3a197b57ff01396f7a2ec6ddf65383820d4 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-53344 · Nota de Segurança
• https://git.kernel.org/stable/c/3a13bb9540dfd7014c5601608afcbbadbbcfd673 · Nota