CVE-2026-74617

CVE-2026-74617 is a Linux kernel vulnerability in the DIBS (Distributed Interface Bus System) driver. The root cause is that dibs->lock was initialized in dibs_dev_add(), but the interrupt handler ism_handle_irq() could fire earlier—after request_irq() in ism_dev_init()—and unconditionally acq...

CVE-2026-74617 dibs: initialise dibs->lock in dibs_dev_alloc()

In the Linux kernel, the following vulnerability has been resolved: dibs: initialise dibs-lock in dibsdevalloc dibs-lock is initialised by dibsdevadd, but a dibs device can already take interrupts before that call: ismprobe runs ismdevinit, and hence requestirq, before it calls dibsdevadd. No...