EUVD-2026-64591

In the Linux kernel, the following vulnerability has been resolved: serial: 8250dma: Clear stale RX state on shutdown serial8250releasedma terminates RX DMA and releases the channel, but leaves rxrunning set. If the port is closed while an RX transfer is active, the stale state remains while rxch...

CVE-2026-74654

This Linux kernel vulnerability affects the serial 8250 DMA driver . When a serial port is closed while an RX DMA transfer is active, serial8250_release_dma() leaves the rx_running flag set. On subsequent reopen, the DesignWare BUSY workaround calls serial8250_rx_dma_flush() before a new RX chann...

CVE-2026-74654 serial: 8250_dma: Clear stale RX state on shutdown

In the Linux kernel, the following vulnerability has been resolved: serial: 8250dma: Clear stale RX state on shutdown serial8250releasedma terminates RX DMA and releases the channel, but leaves rxrunning set. If the port is closed while an RX transfer is active, the stale state remains while rxch...