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CVE-2026-89977accel/ethosu: check MMIO mapping errors in probe

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.

Timeline

  1. ID reserved

    By Linux

  2. · 5 days later

    Published

  3. · 33 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.

EPSS (exploitation in 30 days)
0.20% · top 90% of all CVEs (12 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.

Affected products

  • Linux · Linux

    • affected 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b – < f7aad73b481194e3f0efba9688e9a5914bbd036b
    • affected 5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b – < 7ab64476a610fe65858fdc37c7a30caa13e334ac

  • Linux · Linux

    • affected 6.19
    • unaffected < 6.19
    • unaffected 7.2.5 – ≤ 7.2.*
    • unaffected 7.3 – ≤ *

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .