CVE-2026-43281 (GCVE-0-2026-43281)
Vulnerability from cvelistv5 – Published: 2026-05-06 11:29 – Updated: 2026-05-07 17:15
VLAI?
Title
mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate()
Summary
In the Linux kernel, the following vulnerability has been resolved:
mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate()
Although it is guided that `#mbox-cells` must be at least 1, there are
many instances of `#mbox-cells = <0>;` in the device tree. If that is
the case and the corresponding mailbox controller does not provide
`fw_xlate` and of_xlate` function pointers, `fw_mbox_index_xlate()` will
be used by default and out-of-bounds accesses could occur due to lack of
bounds check in that function.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 2662ed331a69c0b551f78af58f12eb629a89a36f
(git)
Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 31c4c67dec3362094a6747a171a4848e98542265 (git) Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 01d9a8c2615d436b2b30c19c1afe9fcd5726ff6d (git) Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < 4caae8168d1b808c7d4ff481295292e3f97f90fb (git) Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < f50b39fd7c72a8734153644ee945ca0d8b2e65ab (git) Affected: 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c , < fcd7f96c783626c07ee3ed75fa3739a8a2052310 (git) |
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"title": "mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate()",
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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