#VU105076 Resource management error in Linux kernel - CVE-2025-21771
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105076
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2025-21771
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ops_sanitize_err() function in kernel/sched/ext.c, within the sched_change_group(), sched_move_task() and cpu_cgroup_attach() functions in kernel/sched/core.c, within the sched_autogroup_exit_task() and autogroup_move_group() functions in kernel/sched/autogroup.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.