CVE-2022-49657

In the Linux kernel, the following vulnerability has been resolved: usbnet: fix memory leak in error case usbnet_write_cmd_async() mixed up which buffers need to be freed in which error case. v2: add Fixes tag v3: fix uninitialized buf pointer

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/0085da9df3dced730027923a6b48f58e9016af91	Patch
https://git.kernel.org/stable/c/04894ab34faf40ab72a8a5ab5b404bb0606bbbff	Patch
https://git.kernel.org/stable/c/3eed421ca5c809da93456f69203d164d5220be3d	Patch
https://git.kernel.org/stable/c/5269209f54dd8dfd15f9383f3a3a1fe8370764f8	Patch
https://git.kernel.org/stable/c/b55a21b764c1e182014630fa5486d717484ac58f	Patch
https://git.kernel.org/stable/c/d5165e657987ff4ba0ace896d4376a3718a9fbc3	Patch
https://git.kernel.org/stable/c/db89582ff330556188da856e01382ccbf3a5e706	Patch
https://git.kernel.org/stable/c/e7b4f69946a38209b4a4f660bf0e4cbed94f9b4b	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::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc4::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc5::::::

History

No history.

Information

Published : 2025-02-26 07:01

Updated : 2025-10-01 20:17

NVD link : CVE-2022-49657

Mitre link : CVE-2022-49657

CVE.ORG link : CVE-2022-49657

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2022-49657", "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": "2025-02-26T07:01:40.777", "references": [{"url": "https://git.kernel.org/stable/c/0085da9df3dced730027923a6b48f58e9016af91", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/04894ab34faf40ab72a8a5ab5b404bb0606bbbff", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3eed421ca5c809da93456f69203d164d5220be3d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5269209f54dd8dfd15f9383f3a3a1fe8370764f8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b55a21b764c1e182014630fa5486d717484ac58f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d5165e657987ff4ba0ace896d4376a3718a9fbc3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/db89582ff330556188da856e01382ccbf3a5e706", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e7b4f69946a38209b4a4f660bf0e4cbed94f9b4b", "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\nusbnet: fix memory leak in error case\n\nusbnet_write_cmd_async() mixed up which buffers\nneed to be freed in which error case.\n\nv2: add Fixes tag\nv3: fix uninitialized buf pointer"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usbnet: se corrige la p\u00e9rdida de memoria en caso de error. usbnet_write_cmd_async() confund\u00eda qu\u00e9 b\u00faferes se deb\u00edan liberar en qu\u00e9 caso de error. v2: se agreg\u00f3 la etiqueta Fixes. v3: se corrige el puntero de buf no inicializado."}], "lastModified": "2025-10-01T20:17:02.750", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C5429E0D-ACDD-406D-8726-8B587830CD84", "versionEndExcluding": "4.9.323", "versionStartIncluding": "3.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11E86C4E-715B-4E25-81E9-2FD98431E3FA", "versionEndExcluding": "4.14.288", "versionStartIncluding": "4.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2CC8E927-649A-40AD-AB62-F7EE444BEF0F", "versionEndExcluding": "4.19.252", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "844199C4-DEBE-4DA1-AB77-5A7984F9393B", "versionEndExcluding": "5.4.205", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8BF24898-7C80-443F-93F3-F82029BBFF72", "versionEndExcluding": "5.10.130", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B2197EF1-3D9C-4EBA-9F94-6C8668E719B6", "versionEndExcluding": "5.15.54", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "622F881E-3317-4653-9558-86008C2FBFD2", "versionEndExcluding": "5.18.11", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF8547FC-C849-4F1B-804B-A93AE2F04A92"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3068028-F453-4A1C-B80F-3F5609ACEF60"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2E9C0DB0-D349-489F-A3D6-B77214E93A8A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A0DE3B7-0FFB-45AA-9BD6-19870CA7C6FD"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}