CVE-2025-68746 spi: tegra210-quad: Fix timeout handling

In the Linux kernel, the following vulnerability has been resolved: spi: tegra210-quad: Fix timeout handling When the CPU that the QSPI interrupt handler runs on typically CPU 0 is excessively busy, it can lead to rare cases of the IRQ thread not running before the transfer timeout is reached...

CVE-2025-68746

CVE-2025-68746: In the Linux kernel SPI Tegra210-quad driver, timeout handling was fixed to address a rare case where the IRQ thread could miss the transfer timeout if the CPU handling the QSPI interrupt was busy. The fix clears curr_xfer to NULL upon timeout and checks for this condition when th...