FKIE_CVE-2022-50538
Vulnerability from fkie_nvd - Published: 2025-10-07 16:15 - Updated: 2026-06-17 05:23
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
vme: Fix error not catched in fake_init()
In fake_init(), __root_device_register() is possible to fail but it's
ignored, which can cause unregistering vme_root fail when exit.
general protection fault,
probably for non-canonical address 0xdffffc000000008c
KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467]
RIP: 0010:root_device_unregister+0x26/0x60
Call Trace:
<TASK>
__x64_sys_delete_module+0x34f/0x540
do_syscall_64+0x38/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Return error when __root_device_register() fails.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/staging/vme_user/vme_fake.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "e831fdd60e5863ee03173baf5a0f7c5450b44381",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
},
{
"lessThan": "69b43937f14bdc3594f57f1a507a14f3d1187136",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
},
{
"lessThan": "09be0e7ac5f9374b6f8de72c89ed67129af71f65",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
},
{
"lessThan": "f3f65c4177846c483bf009f8c512ab04b3c62466",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
},
{
"lessThan": "37d3de40c1ffb6a5e626bf46ff5ef5766c824e2c",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
},
{
"lessThan": "4bc217b25ea81034fad8e33fd33e4659f086421d",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
},
{
"lessThan": "a2a93546d414c7fe4862b87183fb737d1300d9d2",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
},
{
"lessThan": "60ff9bd4ffc87bace581e235a6728f5ac8e5071f",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
},
{
"lessThan": "7bef797d707f1744f71156b21d41e3b8c946631f",
"status": "affected",
"version": "658bcdae9c6755806e66b33e29d56b33a3ff421a",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/staging/vme_user/vme_fake.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.9"
},
{
"lessThan": "4.9",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"version": "4.9.337",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"version": "4.14.303",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.270",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.229",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.163",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.86",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.0.*",
"status": "unaffected",
"version": "6.0.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7D6DC79F-1861-4BF0-8870-70205F5E9541",
"versionEndExcluding": "4.9.337",
"versionStartIncluding": "4.9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
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},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A0C0D95E-414A-445E-941B-3EF6A4D3A093",
"versionEndExcluding": "5.4.229",
"versionStartIncluding": "4.20",
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},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D05D31FC-BD74-4F9E-B1D8-9CED62BE6F65",
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{
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{
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"matchCriteriaId": "C720A569-3D93-4D77-95F6-E2B3A3267D9F",
"versionEndExcluding": "6.0.16",
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},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvme: Fix error not catched in fake_init()\n\nIn fake_init(), __root_device_register() is possible to fail but it\u0027s\nignored, which can cause unregistering vme_root fail when exit.\n\n general protection fault,\n probably for non-canonical address 0xdffffc000000008c\n KASAN: null-ptr-deref in range [0x0000000000000460-0x0000000000000467]\n RIP: 0010:root_device_unregister+0x26/0x60\n Call Trace:\n \u003cTASK\u003e\n __x64_sys_delete_module+0x34f/0x540\n do_syscall_64+0x38/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nReturn error when __root_device_register() fails."
}
],
"id": "CVE-2022-50538",
"lastModified": "2026-06-17T05:23:44.970",
"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": "2025-10-07T16:15:38.067",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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],
"url": "https://git.kernel.org/stable/c/09be0e7ac5f9374b6f8de72c89ed67129af71f65"
},
{
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{
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{
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},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/f3f65c4177846c483bf009f8c512ab04b3c62466"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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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.
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