CVE-2025-39858

MEDIUM

Linux Kernel 6.15 - NULL Pointer Dereference in mlx4_en_create_rx_ring

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring Replace NULL check with IS_ERR() check after calling page_pool_create() since this function returns error pointers (ERR_PTR). Using NULL check could lead to invalid pointer dereference.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/7b77d8841a98a9f45c8a615222c698df8dec581c

Patch

https://git.kernel.org/stable/c/e580beaf43d563aaf457f1c7f934002355ebfe7b

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-476

Status published

Products (9)

linux/Kernel 6.15.0 - 6.16.6linux

Linux/Linux < 6.15

Linux/Linux 6.15

Linux/Linux 6.16.6 - 6.16.*

Linux/Linux 6.17

Linux/Linux 8533b14b3d65ee666ba31254787c1bdaee56d95a - 7b77d8841a98a9f45c8a615222c698df8dec581c

Linux/Linux 8533b14b3d65ee666ba31254787c1bdaee56d95a - e580beaf43d563aaf457f1c7f934002355ebfe7b

linux/linux_kernel 6.17 rc1 (4 CPE variants)

linux/linux_kernel 6.15 - 6.16.6

Published Sep 19, 2025

Tracked Since Feb 18, 2026