CVE-2025-39830

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path In the error path of hws_pool_buddy_init(), the buddy allocator cleanup doesn't free the allocator structure itself, causing a memory leak. Add the missing kfree() to properly release all allocated memory.

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/2c0a959bebdc1ada13cf9a8242f177c5400299e6	Patch
https://git.kernel.org/stable/c/4ccdbf50dd88a2a7399409e68887dd8077f6a562
https://git.kernel.org/stable/c/86d13a6f49cb68aa91bd718b1b627e72e77285c1	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc3::::::

History

21 Oct 2026, 13:18

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/4ccdbf50dd88a2a7399409e68887dd8077f6a562 -

19 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: net/mlx5: HWS, Corrección de fuga de memoria en la ruta de error de hws_pool_buddy_init En la ruta de error de hws_pool_buddy_init(), la limpieza del asignador buddy no libera la propia estructura del asignador, causando una fuga de memoria. Añadir el kfree() faltante para liberar correctamente toda la memoria asignada.

Information

Published : 2025-09-16 14:15

Updated : 2026-10-21 13:18

NVD link : CVE-2025-39830

Mitre link : CVE-2025-39830

CVE.ORG link : CVE-2025-39830

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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