CVE-2022-50065

In the Linux kernel, the following vulnerability has been resolved: virtio_net: fix memory leak inside XPD_TX with mergeable When we call xdp_convert_buff_to_frame() to get xdpf, if it returns NULL, we should check if xdp_page was allocated by xdp_linearize_page(). If it is newly allocated, it should be freed here alone. Just like any other "goto err_xdp".

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/18e383afbd7047af7b055df6e25436e0ce28f8a5	Patch
https://git.kernel.org/stable/c/7a542bee27c6a57e45c33cbbdc963325fd6493af	Patch
https://git.kernel.org/stable/c/d3723eab11196475ef83279571b2b0bd0924cf82	Patch
https://git.kernel.org/stable/c/faafa2a87f697ee537c29446097e1cc3143506fa	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

17 Nov 2025, 18:27

Type	Values Removed	Values Added
CWE		CWE-401
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
References	~~() https://git.kernel.org/stable/c/18e383afbd7047af7b055df6e25436e0ce28f8a5 -~~	() https://git.kernel.org/stable/c/18e383afbd7047af7b055df6e25436e0ce28f8a5 - Patch
References	~~() https://git.kernel.org/stable/c/7a542bee27c6a57e45c33cbbdc963325fd6493af -~~	() https://git.kernel.org/stable/c/7a542bee27c6a57e45c33cbbdc963325fd6493af - Patch
References	~~() https://git.kernel.org/stable/c/d3723eab11196475ef83279571b2b0bd0924cf82 -~~	() https://git.kernel.org/stable/c/d3723eab11196475ef83279571b2b0bd0924cf82 - Patch
References	~~() https://git.kernel.org/stable/c/faafa2a87f697ee537c29446097e1cc3143506fa -~~	() https://git.kernel.org/stable/c/faafa2a87f697ee537c29446097e1cc3143506fa - Patch
CPE		cpe:2.3:o:linux:linux_kernel::::::::
First Time		Linux linux Kernel Linux

Information

Published : 2025-06-18 11:15

Updated : 2025-11-17 18:27

NVD link : CVE-2022-50065

Mitre link : CVE-2022-50065

CVE.ORG link : CVE-2022-50065

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2022-50065", "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}]}, "published": "2025-06-18T11:15:35.267", "references": [{"url": "https://git.kernel.org/stable/c/18e383afbd7047af7b055df6e25436e0ce28f8a5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7a542bee27c6a57e45c33cbbdc963325fd6493af", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d3723eab11196475ef83279571b2b0bd0924cf82", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/faafa2a87f697ee537c29446097e1cc3143506fa", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_net: fix memory leak inside XPD_TX with mergeable\n\nWhen we call xdp_convert_buff_to_frame() to get xdpf, if it returns\nNULL, we should check if xdp_page was allocated by xdp_linearize_page().\nIf it is newly allocated, it should be freed here alone. Just like any\nother \"goto err_xdp\"."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: virtio_net: se corrige una fuga de memoria dentro de XPD_TX con un objeto fusionable. Al llamar a xdp_convert_buff_to_frame() para obtener xdpf, si devuelve NULL, debemos comprobar si xdp_page fue asignado por xdp_linearize_page(). Si es una asignaci\u00f3n reciente, debe liberarse aqu\u00ed \u00fanicamente. Al igual que con cualquier otro \"goto err_xdp\"."}], "lastModified": "2025-11-17T18:27:46.260", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8E12105A-28C7-4D2D-8E99-5D847A035ABB", "versionEndExcluding": "5.10.138", "versionStartIncluding": "4.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D5744A03-DA40-4A78-9063-13179361DC6D", "versionEndExcluding": "5.15.63", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0E669300-DA42-4ACD-86D8-68BE5F29FB88", "versionEndExcluding": "5.19.4", "versionStartIncluding": "5.16"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}