Incorrect calculation in Linux kernel - CVE-2025-40232

 

Incorrect calculation in Linux kernel - CVE-2025-40232

Published: December 4, 2025


Vulnerability identifier: #VU119203
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-2025-40232
CWE-ID: CWE-682
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 incorrect calculation within the enabled_monitors_next() function in kernel/trace/rv/rv.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-raspi (Ubuntu package)

How to mitigate CVE-2025-40232

Install update from vendor's repository.

linux (Ubuntu package) - addressed in versions 6.17.0-8.8, 6.17.0-1004.5, 6.17.0-1005.5
linux-raspi (Ubuntu package) - update to 6.17.0-1006.6

External References

Related Security Bulletins