CVE-2025-38479 Information

Description

In the Linux kernel the following vulnerability has been resolved:

dmaengine: fsl-edma: free irq correctly in remove path

Add fsl_edma->txirq/errirq check to avoid below warning because no errirq at i.MX9 platform. Otherwise there will be kernel dump: WARNING: CPU: 0 PID: 11 at kernel/irq/devres.c:144 devm_free_irq+0x74/0x80 Modules linked in: CPU: 0 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.12.0-rc718 Hardware name: NXP i.MX93 11X11 EVK board (DT) Workqueue: events_unbound deferred_probe_work_func pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=–) pc : devm_free_irq+0x74/0x80 lr : devm_free_irq+0x48/0x80 Call trace: devm_free_irq+0x74/0x80 (P) devm_free_irq+0x48/0x80 (L) fsl_edma_remove+0xc4/0xc8 platform_remove+0x28/0x44 device_remove+0x4c/0x80

Reference

https://git.kernel.org/stable/c/38ff8769074db27387cb2323aaa751e59d168e6a https://git.kernel.org/stable/c/55e2dbe2ba787d4fc2306f6bb2f43fb32176e184 https://git.kernel.org/stable/c/f3834d2d68749e4760c27325149765930ad876fd https://git.kernel.org/stable/c/fa70c4c3c580c239a0f9e83a14770ab026e8d820