CVE-2025-23155 Information

Description

In the Linux kernel the following vulnerability has been resolved:

net: stmmac: Fix accessing freed irq affinity_hint

The cpumask should not be a local variable since its pointer is saved to irq_desc and may be accessed from procfs. To fix it use the persistent mask cpumask_of(cpu).

Reference

https://git.kernel.org/stable/c/9e51a6a44e2c4de780a26e8fe110d708e806a8cd https://git.kernel.org/stable/c/c60d101a226f18e9a8f01bb4c6ca2b47dfcb15ef https://git.kernel.org/stable/c/e148266e104fce396ad624079a6812ac3a9982ef