Resource management error in Linux kernel - CVE-2022-48950
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99166
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-2022-48950
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 event_sched_out(), group_sched_out(), __perf_remove_from_context(), perf_event_release_kernel() and perf_pending_task() functions in kernel/events/core.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-48950
Install update from vendor's website.
Linux kernel - addressed in versions 5.15.84, 6.0.14, 6.1
External References
- https://git.kernel.org/stable/c/8bffa95ac19ff27c8261904f89d36c7fcf215d59
- https://git.kernel.org/stable/c/78e1317a174edbfd1182599bf76c092a2877672c
- https://git.kernel.org/stable/c/517e6a301f34613bff24a8e35b5455884f2d83d8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1