CVE-2026-43274 | Linux Kernel up to 6.18.15/6.19.5 mailbox mchp_ipc_get_cluster_aggr_irq out-of-bounds

A vulnerability was found in Linux Kernel up to 6.18.15/6.19.5. It has been declared as critical. This affects the function mchp_ipc_get_cluster_aggr_irq of the component mailbox. Executing a manipulation can lead to out-of-bounds read.

This vulnerability appears as CVE-2026-43274. The attacker needs to be present on the local network. There is no available exploit.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More