CVE-2026-53294

A flaw was found in the Linux kernel's mailbox subsystem. This vulnerability occurs when the receive RX channel is aliased to the transmit TX channel with a different Memory-Mapped I/O MMIO and is not properly handled during the freeing of channels. This can lead to a double-free condition, which...

CVE-2026-43281

A flaw was found in the Linux kernel. Specifically, within the mailbox subsystem, an out-of-bounds access vulnerability exists in the fwmboxindexxlate function. This issue arises when the device tree is configured with mbox-cells = and the associated mailbox controller does not provide fwxlate an...

CVE-2026-43274

A flaw was found in the Linux kernel's mailbox subsystem, specifically within the mchp-ipc-sbi component. This vulnerability involves an out-of-bounds access in the mchpipcgetclusteraggrirq function. The clustercfg array, which holds per-CPU configuration structures, was incorrectly indexed using...