CVE-2026-89977 PUBLISHED

accel/ethosu: check MMIO mapping errors in probe

Assigner: Linux
Reserved: 11.09.2026 Published: 16.09.2026 Updated: 16.09.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b to f7aad73b481194e3f0efba9688e9a5914bbd036b (excl.)
  • affected from 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b to 7ab64476a610fe65858fdc37c7a30caa13e334ac (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.19 is affected
  • unaffected from 0 to 6.19 (excl.)
  • unaffected from 7.2.5 to 7.2.* (incl.)
  • unaffected from 7.3-rc2 to * (incl.)

References