CVE-2026-89977

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: check MMIO mapping errors in probe devm_platform_ioremap_resource() returns an error pointer when the register resource cannot be mapped. ethosu_probe() stores it and continues until initialization dereferences it through MMIO accessors. Return the mapping error before initializing the device.

• https://git.kernel.org/stable/c/7ab64476a610fe65858fdc37c7a30caa13e334ac
• https://git.kernel.org/stable/c/f7aad73b481194e3f0efba9688e9a5914bbd036b