CVE-2022-48848
kernel: tracing/osnoise: Do not unregister events twice
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 16, 2024
Updated · April 28, 2026
Description
A vulnerability was found in the Linux kernel in the trace_osnoise function in kernel/trace/trace_osnoise.c where an issue occurs when events are unregistered twice, triggered by certain commands that switch trace modes, leading to kernel warnings and potential instability. The improper handling of tracepoint unregistration can disrupt the tracing process in kernel operations.
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
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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-832 · Unlock of a Resource that is not Locked