cve/2024/CVE-2024-45828.md
2025-09-29 21:09:30 +02:00

1.2 KiB

CVE-2024-45828

Description

In the Linux kernel, the following vulnerability has been resolved:i3c: mipi-i3c-hci: Mask ring interrupts before ring stop requestBus cleanup path in DMA mode may trigger a RING_OP_STAT interrupt whenthe ring is being stopped. Depending on timing between ring stop requestcompletion, interrupt handler removal and code execution this may leadto a NULL pointer dereference in hci_dma_irq_handler() if it gets to runafter the io_data pointer is set to NULL in hci_dma_cleanup().Prevent this my masking the ring interrupts before ring stop request.

POC

Reference

No PoCs from references.

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