BELL-CVE-2026-63883

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Linux Distros Unpatched Vulnerability : CVE-2026-63883

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: serial: qcomgeni: fix kfifo underflow when flush precedes DMA completion IRQ When...

DEBIAN-CVE-2026-63883

In the Linux kernel, the following vulnerability has been resolved: serial: qcomgeni: fix kfifo underflow when flush precedes DMA completion IRQ When uartflushbuffer runs before the DMA completion IRQ is delivered, the following race can occur all steps serialized by uartportlock: 1. DMA starts:...

CVE-2026-63883

The CVE relates to the Linux kernel serial driver for Qualcomm GENI: a kfifo underflow race when uart_flush_buffer() runs before the DMA completion IRQ. The race sequence can cause stale DMA data to be submitted due to kfifo_len() being reset to 0 while tx_remaining is nonzero, leading to an inco...