CVE-2026-89977

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b < f7aad73b481194e3f0efba9688e9a5914bbd036baffected
LinuxLinux5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b < 7ab64476a610fe65858fdc37c7a30caa13e334acaffected
LinuxLinux6.19affected
LinuxLinux0 < 6.19unaffected
LinuxLinux7.2.5 <= 7.2.*unaffected
LinuxLinux7.3-rc2 <= *unaffected

Weaknesses

References