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...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the mchpipcgetclusteraggrirq function in mchp-ipc-sbi. This function uses a hartid index on a...

CVE-2026-43274: Out-of-bounds Read

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...

PT-2024-11410

Name of the Vulnerable Software and Affected Versions Linux kernel versions 5.13.1 and earlier Description The issue arises when ftrace is looping over a list of addresses to patch and fails when patching the function riscv cpuid to hartid mask. The patch text nosync function, after patching the...