CVE-2025-37884 (GCVE-0-2025-37884)
Vulnerability from cvelistv5 – Published: 2025-05-09 06:45 – Updated: 2026-11-05 20:52
VLAI
EPSS
VEX
Title
bpf: Fix deadlock between rcu_tasks_trace and event_mutex.
Summary
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.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 20:44 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
a363d27cdbc2bc2d1899b5a1520b64e3590fcd9a , < 45286680b385f2592db3003554872388dee66d68
(git)
Affected: a363d27cdbc2bc2d1899b5a1520b64e3590fcd9a , < 4580f4e0ebdf8dc8d506ae926b88510395a0c1d1 (git) |
guessed | |
| Linux | Linux |
Affected:
6.13
Unaffected: 0 , < 6.13 (semver) Unaffected: 6.14.5 , ≤ 6.14.* (semver) Unaffected: 6.15 , ≤ * (original_commit_for_fix) |
guessed |
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