{"vulnerability": "CVE-2025-37884", "sightings": [{"uuid": "7888c6a0-60ef-4c71-bcdc-9949fa69a92f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-37884", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3lopz7yinkc2h", "content": "", "creation_timestamp": "2025-05-09T08:31:47.523161Z"}, {"uuid": "2008ace9-b40d-4dd1-8524-1c5fee60157b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-37884", "type": "seen", "source": "https://bsky.app/profile/linux.activitypub.awakari.com.ap.brid.gy/post/3lopwp5fhbcx2", "content": "", "creation_timestamp": "2025-05-09T09:21:35.004094Z"}, {"uuid": "96af89b2-7f3a-48a9-adf4-982853eac38a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "c933734a-9be8-4142-889e-26e95c752803", "vulnerability": "CVE-2025-37884", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/816dcc8e-f25a-4895-9b59-1bbd9caeccb8", "content": "", "creation_timestamp": "2025-12-03T14:14:49.267740Z"}, {"uuid": "6e7813ff-ca53-4aa6-8222-405cdd58ebf4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2025-37884", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0316/", "content": "", "creation_timestamp": "2026-03-19T00:00:00.000000Z"}, {"uuid": "597f713b-0c1c-4f4b-a594-09aff167b268", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-37884", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/15689", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-37884\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix deadlock between rcu_tasks_trace and event_mutex.\n\nFix the following deadlock:\nCPU A\n_free_event()\n  perf_kprobe_destroy()\n    mutex_lock(&event_mutex)\n      perf_trace_event_unreg()\n        synchronize_rcu_tasks_trace()\n\nThere are several paths where _free_event() grabs event_mutex\nand calls sync_rcu_tasks_trace. Above is one such case.\n\nCPU B\nbpf_prog_test_run_syscall()\n  rcu_read_lock_trace()\n    bpf_prog_run_pin_on_cpu()\n      bpf_prog_load()\n        bpf_tracing_func_proto()\n          trace_set_clr_event()\n            mutex_lock(&event_mutex)\n\nDelegate trace_set_clr_event() to workqueue to avoid\nsuch lock dependency.\n\ud83d\udccf Published: 2025-05-09T06:45:47.462Z\n\ud83d\udccf Modified: 2025-05-09T06:45:47.462Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/255cbc9db7067a83713fd2f4b31034ddd266549a\n2. https://git.kernel.org/stable/c/b5a528a34e1f613565115a7a6016862ccbfcb9ac\n3. https://git.kernel.org/stable/c/c5c833f6375f8ecf9254dd27946c927c7d645421\n4. https://git.kernel.org/stable/c/45286680b385f2592db3003554872388dee66d68\n5. https://git.kernel.org/stable/c/4580f4e0ebdf8dc8d506ae926b88510395a0c1d1", "creation_timestamp": "2025-05-09T07:25:29.000000Z"}, {"uuid": "c2af9a8c-60a0-49e0-9189-ab7ff23df327", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-37884", "type": "seen", "source": "https://t.me/cvedetector/24933", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2025-37884 - Linux Kernel BPF Event Mutex Deadlock\", \n  \"Content\": \"CVE ID : CVE-2025-37884 \nPublished : May 9, 2025, 7:16 a.m. | 44\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \nbpf: Fix deadlock between rcu_tasks_trace and event_mutex.  \n  \nFix the following deadlock:  \nCPU A  \n_free_event()  \n  perf_kprobe_destroy()  \n    mutex_lock(&event_mutex)  \n      perf_trace_event_unreg()  \n        synchronize_rcu_tasks_trace()  \n  \nThere are several paths where _free_event() grabs event_mutex  \nand calls sync_rcu_tasks_trace. Above is one such case.  \n  \nCPU B  \nbpf_prog_test_run_syscall()  \n  rcu_read_lock_trace()  \n    bpf_prog_run_pin_on_cpu()  \n      bpf_prog_load()  \n        bpf_tracing_func_proto()  \n          trace_set_clr_event()  \n            mutex_lock(&event_mutex)  \n  \nDelegate trace_set_clr_event() to workqueue to avoid  \nsuch lock dependency. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"09 May 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-05-09T10:22:00.000000Z"}]}