CVE-2022-50201

In the Linux kernel, the following vulnerability has been resolved: selinux: fix memleak in security_read_state_kernel() In this function, it directly returns the result of __security_read_policy without freeing the allocated memory in *data, cause memory leak issue, so free the memory if __security_read_policy failed. [PM: subject line tweak]

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/1fc1f72aad2070d34022d0823e4cf09706b53f25	Patch
https://git.kernel.org/stable/c/73de1befcc53a7c68b0c5e76b9b5ac41c517760f	Patch
https://git.kernel.org/stable/c/c877c5217145bda8fd95f506bf42f8d981afa57d	Patch
https://git.kernel.org/stable/c/f3cd7562c0a6774fc62d79654482014020e574f5	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-06-18 11:15

Updated : 2025-11-19 12:46

NVD link : CVE-2022-50201

Mitre link : CVE-2022-50201

CVE.ORG link : CVE-2022-50201

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2022-50201", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "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": "2025-06-18T11:15:50.810", "references": [{"url": "https://git.kernel.org/stable/c/1fc1f72aad2070d34022d0823e4cf09706b53f25", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/73de1befcc53a7c68b0c5e76b9b5ac41c517760f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c877c5217145bda8fd95f506bf42f8d981afa57d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f3cd7562c0a6774fc62d79654482014020e574f5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: fix memleak in security_read_state_kernel()\n\nIn this function, it directly returns the result of __security_read_policy\nwithout freeing the allocated memory in *data, cause memory leak issue,\nso free the memory if __security_read_policy failed.\n\n[PM: subject line tweak]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: selinux: corrige memleak en security_read_state_kernel() En esta funci\u00f3n, devuelve directamente el resultado de __security_read_policy sin liberar la memoria asignada en *data, lo que causa un problema de p\u00e9rdida de memoria, por lo que libera la memoria si __security_read_policy falla. [PM: ajuste de la l\u00ednea de asunto]"}], "lastModified": "2025-11-19T12:46:59.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23E86361-3C85-4727-87EC-1E6ACE028490", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B42E453-8837-49D0-A5EF-03F818A6DC11", "versionEndExcluding": "5.18.18", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}