CVE-2025-39830

MEDIUM

Linux Kernel 6.12-6.16.4 - Use-After-Free in hws_pool_buddy_init Error Path

Title source: llm

Description

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.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/86d13a6f49cb68aa91bd718b1b627e72e77285c1

Patch

https://git.kernel.org/stable/c/2c0a959bebdc1ada13cf9a8242f177c5400299e6

Scores

CVSS v3 5.5

EPSS 0.0012

EPSS Percentile 2.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (9)

linux/Kernel 6.12.0 - 6.16.5linux

Linux/Linux < 6.12

Linux/Linux 6.12

Linux/Linux 6.16.5 - 6.16.*

Linux/Linux 6.17

Linux/Linux c61afff94373641695cc81999e9bb10408ea84d5 - 2c0a959bebdc1ada13cf9a8242f177c5400299e6

Linux/Linux c61afff94373641695cc81999e9bb10408ea84d5 - 86d13a6f49cb68aa91bd718b1b627e72e77285c1

linux/linux_kernel 6.17 rc1 (3 CPE variants)

linux/linux_kernel 6.12 - 6.16.5

Published Sep 16, 2025

Tracked Since Feb 18, 2026