CVE-2026-31687 (GCVE-0-2026-31687)
Vulnerability from cvelistv5 – Published: 2026-04-27 17:32 – Updated: 2026-05-23 16:05
VLAI
EPSS
VEX
Title
gpio: omap: do not register driver in probe()
Summary
In the Linux kernel, the following vulnerability has been resolved:
gpio: omap: do not register driver in probe()
Commit 11a78b794496 ("ARM: OMAP: MPUIO wake updates") registers the
omap_mpuio_driver from omap_mpuio_init(), which is called from
omap_gpio_probe().
However, it neither makes sense to register drivers from probe()
callbacks of other drivers, nor does the driver core allow registering
drivers with a device lock already being held.
The latter was revealed by commit dc23806a7c47 ("driver core: enforce
device_lock for driver_match_device()") leading to a potential deadlock
condition described in [1].
Additionally, the omap_mpuio_driver is never unregistered from the
driver core, even if the module is unloaded.
Hence, register the omap_mpuio_driver from the module initcall and
unregister it in module_exit().
Severity
5.5 (Medium)
Assigner
References
11 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
11a78b7944963a8b052be46108d07a3ced9e2762 , < 57bcd3feffa79544c73a1a1872472389a391cc79
(git)
Affected: 11a78b7944963a8b052be46108d07a3ced9e2762 , < 86588916e1887a5edb8a9161cd7ae81e47a7ed25 (git) Affected: 11a78b7944963a8b052be46108d07a3ced9e2762 , < a29215961d833f4de33a09c3964d31ebc6083033 (git) Affected: 11a78b7944963a8b052be46108d07a3ced9e2762 , < 1c04c3a4de8d4bcb9202f94c44f26c57c2572308 (git) Affected: adc1796eced46b48e23ec200a219d635f33a38ee , < 673dafb9a86349a12a93151fd467625614dc7e12 (git) Affected: 11a78b7944963a8b052be46108d07a3ced9e2762 , < 2211d77892913804d16c28c7415b82804ab1e54c (git) Affected: cd0e0a76e40c2e77bcfc88291d00dca22b00158e , < a7fa9460b86f810913b6779461d0448e7c11214c (git) Affected: 11a78b7944963a8b052be46108d07a3ced9e2762 , < 32f08c3ddd6dda6cbb6c9d715de10f21dccde50f (git) Affected: 8d76b2488eb3cc0717ab81b60622cff4a5f90f79 , < 53a76425e0764421ba93bb9045d2e454667d5687 (git) Affected: 11a78b7944963a8b052be46108d07a3ced9e2762 , < 730e5ebff40c852e3ea57b71bf02a4b89c69435f (git) Affected: bc82e5f4d7dc8237ae8cabc73aa46fc93c85d98c , < 03db4dc9ad6eb91e640b517e00373ce877682854 (git) Affected: 6.6.125 , < 6.6.126 (semver) Affected: 6.12.72 , < 6.12.73 (semver) Affected: 6.18.11 , < 6.18.12 (semver) Affected: 6.19.1 , < 6.19.2 (semver) |
guessed | |
| Linux | Linux |
Affected:
2.6.22
Unaffected: 0 , < 2.6.22 (semver) Unaffected: 5.10.251 , ≤ 5.10.* (semver) Unaffected: 5.15.201 , ≤ 5.15.* (semver) Unaffected: 6.1.164 , ≤ 6.1.* (semver) Unaffected: 6.6.125 , ≤ 6.6.* (semver) Unaffected: 6.6.126 , ≤ 6.6.* (semver) Unaffected: 6.12.72 , ≤ 6.12.* (semver) Unaffected: 6.12.73 , ≤ 6.12.* (semver) Unaffected: 6.18.11 , ≤ 6.18.* (semver) Unaffected: 6.18.12 , ≤ 6.18.* (semver) Unaffected: 6.19.2 , ≤ 6.19.* (semver) Unaffected: 6.19 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: omap: do not register driver in probe()\n\nCommit 11a78b794496 (\"ARM: OMAP: MPUIO wake updates\") registers the\nomap_mpuio_driver from omap_mpuio_init(), which is called from\nomap_gpio_probe().\n\nHowever, it neither makes sense to register drivers from probe()\ncallbacks of other drivers, nor does the driver core allow registering\ndrivers with a device lock already being held.\n\nThe latter was revealed by commit dc23806a7c47 (\"driver core: enforce\ndevice_lock for driver_match_device()\") leading to a potential deadlock\ncondition described in [1].\n\nAdditionally, the omap_mpuio_driver is never unregistered from the\ndriver core, even if the module is unloaded.\n\nHence, register the omap_mpuio_driver from the module initcall and\nunregister it in module_exit()."
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*",
"matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*",
"matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*",
"matchCriteriaId": "13580667-0A98-40CC-B29F-D12790B91BDB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*",
"matchCriteriaId": "CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*",
"matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*",
"matchCriteriaId": "F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: omap: do not register driver in probe()\n\nCommit 11a78b794496 (\"ARM: OMAP: MPUIO wake updates\") registers the\nomap_mpuio_driver from omap_mpuio_init(), which is called from\nomap_gpio_probe().\n\nHowever, it neither makes sense to register drivers from probe()\ncallbacks of other drivers, nor does the driver core allow registering\ndrivers with a device lock already being held.\n\nThe latter was revealed by commit dc23806a7c47 (\"driver core: enforce\ndevice_lock for driver_match_device()\") leading to a potential deadlock\ncondition described in [1].\n\nAdditionally, the omap_mpuio_driver is never unregistered from the\ndriver core, even if the module is unloaded.\n\nHence, register the omap_mpuio_driver from the module initcall and\nunregister it in module_exit()."
}
],
"id": "CVE-2026-31687",
"lastModified": "2026-06-17T10:34:14.477",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2026-04-27T18:16:54.143",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/03db4dc9ad6eb91e640b517e00373ce877682854"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/1c04c3a4de8d4bcb9202f94c44f26c57c2572308"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/2211d77892913804d16c28c7415b82804ab1e54c"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/32f08c3ddd6dda6cbb6c9d715de10f21dccde50f"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/53a76425e0764421ba93bb9045d2e454667d5687"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/57bcd3feffa79544c73a1a1872472389a391cc79"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/673dafb9a86349a12a93151fd467625614dc7e12"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/730e5ebff40c852e3ea57b71bf02a4b89c69435f"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/86588916e1887a5edb8a9161cd7ae81e47a7ed25"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/a29215961d833f4de33a09c3964d31ebc6083033"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/a7fa9460b86f810913b6779461d0448e7c11214c"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-667"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "None",
"current_release_date": "2026-06-28T11:33:04+00:00",
"cve": "CVE-2026-31687",
"id": "CVE-2026-31687",
"initial_release_date": "2026-04-27T00:00:00+00:00",
"product_status:known_not_affected": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: gpio: omap: do not register driver in probe()",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31687.json",
"version": "3"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.