CVE-2026-80967

A flaw was found in the ALSA pcxhr driver within the Linux kernel. The pcxhrprobe function requests a threaded interrupt before properly initializing a critical mutex mgr-lock. This oversight could allow an early interrupt to operate on an uninitialized mutex, potentially leading to system...

UBUNTU-CVE-2026-80967

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcxhr: initialize mutexes before requesting threaded IRQ pcxhrprobe requests pcxhrthreadedirq before initializing mgr-lock, even though the threaded handler takes that mutex. Initialize the manager locks before...

CVE-2026-80967

CVE-2026-80967 is a flaw in the Linux kernel ALSA pcxhr driver. The pcxhr_probe() function requests a threaded IRQ handler before initializing the critical mutex mgr->lock, meaning an early interrupt can execute against an uninitialized mutex state during device probe. Red Hat notes this can l...