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...

AZL-85854 CVE-2026-43274 affecting package kernel for versions less than 6.6.137.1-2

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchpipcgetclusteraggrirq The clustercfg array is dynamically allocated to hold per-CPU configuration structures, with its size based on the number of online CPUs. Previously, thi...