#VU116045 NULL pointer dereference in Linux kernel - CVE-2025-39876
Published: September 23, 2025
Vulnerability identifier: #VU116045
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-39876
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the fec_enet_phy_reset_after_clk_enable() function in drivers/net/ethernet/freescale/fec_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/03e79de4608bdd48ad6eec272e196124cefaf798
- https://git.kernel.org/stable/c/4fe53aaa4271a72fe5fe3e88a45ce01646b68dc5
- https://git.kernel.org/stable/c/5f1bb554a131e59b28482abad21f691390651752
- https://git.kernel.org/stable/c/eb148d85e126c47d65be34f2a465d69432ca5541
- https://git.kernel.org/stable/c/fe78891f296ac05bf4e5295c9829ef822f3c32e7