CVE-2022-49233

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Call dc_stream_release for remove link enc assignment [Why] A porting error resulted in the stream assignment for the link being retained without being released - a memory leak. [How] Fix the porting error by adding back the dc_stream_release() intended as part of the original patch.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/a28b7b6a0c827ce672edcdb5b2b5916b0beebe03	Patch
https://git.kernel.org/stable/c/f2bde8349c35d01d7c50456ea06a5c7d5e0e5ed0	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-02-26 07:01

Updated : 2025-10-01 20:15

NVD link : CVE-2022-49233

Mitre link : CVE-2022-49233

CVE.ORG link : CVE-2022-49233

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2022-49233", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-02-26T07:01:00.317", "references": [{"url": "https://git.kernel.org/stable/c/a28b7b6a0c827ce672edcdb5b2b5916b0beebe03", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f2bde8349c35d01d7c50456ea06a5c7d5e0e5ed0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-401"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Call dc_stream_release for remove link enc assignment\n\n[Why]\nA porting error resulted in the stream assignment for the link\nbeing retained without being released - a memory leak.\n\n[How]\nFix the porting error by adding back the dc_stream_release() intended\nas part of the original patch."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Llamar a dc_stream_release para eliminar la asignaci\u00f3n de enc de enlace [Por qu\u00e9] Un error de portabilidad provoc\u00f3 que la asignaci\u00f3n de flujo para el enlace se mantuviera sin liberarse: una p\u00e9rdida de memoria. [C\u00f3mo] Corrija el error de portabilidad agregando nuevamente dc_stream_release() previsto como parte del parche original."}], "lastModified": "2025-10-01T20:15:58.557", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "210C679C-CF84-44A3-8939-E629C87E54BF", "versionEndExcluding": "5.17.2", "versionStartIncluding": "5.17"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}