Resource management error in Linux kernel - CVE-2025-40108
Published: November 10, 2025
Vulnerability identifier: #VU118211
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2025-40108
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the geni_serial_set_rate(), qcom_geni_serial_set_termios(), geni_serial_resources_off(), qcom_geni_serial_pm(), qcom_geni_serial_probe(), qcom_geni_serial_remove() and qcom_geni_serial_resume() functions in drivers/tty/serial/qcom_geni_serial.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-gcp (Ubuntu package)
linux-raspi (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-gcp (Ubuntu package)
linux-raspi (Ubuntu package)
How to mitigate CVE-2025-40108
Install update from vendor's repository.
linux (Ubuntu package) - addressed in versions 6.17.0-7.7, 6.17.0-1003.4, 6.17.0-1004.4
linux-gcp (Ubuntu package) - update to 6.17.0-1004.4
linux-raspi (Ubuntu package) - update to 6.17.0-1005.5
linux-gcp (Ubuntu package) - update to 6.17.0-1004.4
linux-raspi (Ubuntu package) - update to 6.17.0-1005.5