CVE-2026-89977

accel/ethosu: check MMIO mapping errors in probe

N/A
Published: September 16, 2026 at 10:32 AM UTC
Updated: October 19, 2026 at 09:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b6.19
Vendor states this is fixed in 7ab64476a610fe65858fdc37c7a30caa13e334ac (fixed)
Vendor states this is fixed in f7aad73b481194e3f0efba9688e9a5914bbd036b (fixed)
Vendor states this is fixed in 6.19 (unaffected)
Vendor states this is fixed in 7.2.5 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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