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CVE-2026-89977

accel/ethosu: check MMIO mapping errors in probe PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b before f7aad73b481194e3f0efba9688e9a5914bbd036b; affected 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b before 7ab64476a610fe65858fdc37c7a30caa13e334ac
Linux / Linuxaffected 6.19; unaffected 0 before 6.19; unaffected 7.2.5 through 7.2.*; unaffected 7.3 through *

CWE

No CWE identifiers supplied.

References