CVE-2025-39829
kernel: Linux kernel: Denial of Service due to improper resource deallocation in tracing functionality
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 16, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel. A local user could trigger a Denial of Service (DoS) by repeatedly attempting to enable function profiling. This occurs because a notifier callback is not properly unregistered if the tracing initialization fails, leading to resource exhaustion and system instability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-459 · Incomplete Cleanup