Memory leak in Linux kernel - CVE-2025-68759
Published: January 5, 2026
Vulnerability identifier: #VU120951
CSH Severity: Low
CVSS v4.0: 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-2025-68759
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the rtl8180_init_rx_ring() and rtl8180_start() functions in drivers/net/wireless/realtek/rtl818x/rtl8180/dev.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-68759
Install update from vendor's repository.