FKIE_CVE-2022-50535
Vulnerability from fkie_nvd - Published: 2025-10-07 16:15 - Updated: 2026-08-15 13:17
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix potential null-deref in dm_resume
[Why]
Fixing smatch error:
dm_resume() error: we previously assumed 'aconnector->dc_link' could be null
[How]
Check if dc_link null at the beginning of the loop,
so further checks can be dropped.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| 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/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "fd79b61af2782f8875c78f50cdb8630ec43e2990",
"status": "affected",
"version": "e0082f71e5d2481ce59d49dbfd3677f5fdc85836",
"versionType": "git"
},
{
"lessThan": "d236103782de25736996a45bd36ac2a89bdc93c6",
"status": "affected",
"version": "dd9b4b435a56a7a29c7d1ccc6479847354842255",
"versionType": "git"
},
{
"lessThan": "9f73793b81637c60ccc83cc508645310b8ab7d80",
"status": "affected",
"version": "4b44cd5840577479ee6ed387371dd1d1252ca921",
"versionType": "git"
},
{
"lessThan": "bb9a5562beb982aa5ebb73c521c49596ff8b8030",
"status": "affected",
"version": "6a03581ccffa571bfa1a9f3a097e1a4d7164fd2d",
"versionType": "git"
},
{
"lessThan": "8e365f1bd672cc9320a936f6ae6f8087aa40e9bc",
"status": "affected",
"version": "f4346fb3edf7720db3f7f5e1cab1f667cd024280",
"versionType": "git"
},
{
"lessThan": "00b655fa96b4e941351cc4bf5ca755a65ae94a8e",
"status": "affected",
"version": "f4346fb3edf7720db3f7f5e1cab1f667cd024280",
"versionType": "git"
},
{
"lessThan": "7a7175a2cd84b7874bebbf8e59f134557a34161b",
"status": "affected",
"version": "f4346fb3edf7720db3f7f5e1cab1f667cd024280",
"versionType": "git"
},
{
"status": "affected",
"version": "2983416458b2e09f7246e8e55df78ccf5968693b",
"versionType": "git"
},
{
"lessThan": "4.19.276",
"status": "affected",
"version": "4.19.239",
"versionType": "semver"
},
{
"lessThan": "5.4.235",
"status": "affected",
"version": "5.4.190",
"versionType": "semver"
},
{
"lessThan": "5.10.173",
"status": "affected",
"version": "5.10.112",
"versionType": "semver"
},
{
"lessThan": "5.15.99",
"status": "affected",
"version": "5.15.35",
"versionType": "semver"
},
{
"lessThan": "5.18",
"status": "affected",
"version": "5.17.4",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.18"
},
{
"lessThan": "5.18",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.276",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.235",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.173",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.99",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.16",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"version": "6.2.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C902FC54-DDBD-4DA6-BFEF-26889A267464",
"versionEndExcluding": "4.19.276",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "13DD5E68-8CB4-46EE-9A8F-C7F6C1A84430",
"versionEndExcluding": "5.4.235",
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},
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},
{
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"versionEndExcluding": "5.15.99",
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},
{
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},
{
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],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential null-deref in dm_resume\n\n[Why]\nFixing smatch error:\ndm_resume() error: we previously assumed \u0027aconnector-\u003edc_link\u0027 could be null\n\n[How]\nCheck if dc_link null at the beginning of the loop,\nso further checks can be dropped."
}
],
"id": "CVE-2022-50535",
"lastModified": "2026-08-15T13:17:38.650",
"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": "2025-10-07T16:15:37.680",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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],
"url": "https://git.kernel.org/stable/c/00b655fa96b4e941351cc4bf5ca755a65ae94a8e"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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},
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}
],
"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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