CVE-2025-37884
- Source
- https://cve.org/CVERecord?id=CVE-2025-37884
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-37884.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-37884
- Downstream
- Related
- Published
- 2025-05-09T06:45:47Z
- Modified
- 2026-08-12T03:30:32Z
- Summary
- bpf: Fix deadlock between rcu_tasks_trace and event_mutex.
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix deadlock between rcu_tasks_trace and event_mutex.
Fix the following deadlock: CPU A _free_event() perf_kprobe_destroy() mutex_lock(&event_mutex) perf_trace_event_unreg() synchronize_rcu_tasks_trace()
There are several paths where _free_event() grabs event_mutex and calls sync_rcu_tasks_trace. Above is one such case.
CPU B bpf_prog_test_run_syscall() rcu_read_lock_trace() bpf_prog_run_pin_on_cpu() bpf_prog_load() bpf_tracing_func_proto() trace_set_clr_event() mutex_lock(&event_mutex)
Delegate trace_set_clr_event() to workqueue to avoid such lock dependency.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37884.json" }- References
-
- https://git.kernel.org/stable/c/45286680b385f2592db3003554872388dee66d68
- https://git.kernel.org/stable/c/4580f4e0ebdf8dc8d506ae926b88510395a0c1d1
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37884.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-37884
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git