CVE-2025-39853

HIGH

Linux Kernel 4.6-6.16.6 - Out-of-bounds Read in i40e MAC List Handling

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix potential invalid access when MAC list is empty list_first_entry() never returns NULL - if the list is empty, it still returns a pointer to an invalid object, leading to potential invalid memory access when dereferenced. Fix this by using list_first_entry_or_null instead of list_first_entry.

References (12)

Core 12
Core References

Scores

CVSS v3 7.1
EPSS 0.0015
EPSS Percentile 4.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (28)
debian/debian_linux 11.0
linux/Kernel 4.6.0 - 5.4.299linux
linux/Kernel 5.11.0 - 5.15.192linux
linux/Kernel 5.16.0 - 6.1.151linux
linux/Kernel 5.5.0 - 5.10.243linux
linux/Kernel 6.13.0 - 6.16.6linux
linux/Kernel 6.2.0 - 6.6.105linux
linux/Kernel 6.7.0 - 6.12.46linux
Linux/Linux < 4.6
Linux/Linux 4.6
... and 18 more
Published Sep 19, 2025
Tracked Since Feb 18, 2026