{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53046", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:18:43.828Z", "datePublished": "2025-05-02T15:55:03.270Z", "dateUpdated": "2026-05-11T19:37:31.103Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:37:31.103Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix race condition in hci_cmd_sync_clear\n\nThere is a potential race condition in hci_cmd_sync_work and\nhci_cmd_sync_clear, and could lead to use-after-free. For instance,\nhci_cmd_sync_work is added to the 'req_workqueue' after cancel_work_sync\nThe entry of 'cmd_sync_work_list' may be freed in hci_cmd_sync_clear, and\ncausing kernel panic when it is used in 'hci_cmd_sync_work'.\n\nHere's the call trace:\n\ndump_stack_lvl+0x49/0x63\nprint_report.cold+0x5e/0x5d3\n? hci_cmd_sync_work+0x282/0x320\nkasan_report+0xaa/0x120\n? hci_cmd_sync_work+0x282/0x320\n__asan_report_load8_noabort+0x14/0x20\nhci_cmd_sync_work+0x282/0x320\nprocess_one_work+0x77b/0x11c0\n? _raw_spin_lock_irq+0x8e/0xf0\nworker_thread+0x544/0x1180\n? poll_idle+0x1e0/0x1e0\nkthread+0x285/0x320\n? process_one_work+0x11c0/0x11c0\n? kthread_complete_and_exit+0x30/0x30\nret_from_fork+0x22/0x30\n</TASK>\n\nAllocated by task 266:\nkasan_save_stack+0x26/0x50\n__kasan_kmalloc+0xae/0xe0\nkmem_cache_alloc_trace+0x191/0x350\nhci_cmd_sync_queue+0x97/0x2b0\nhci_update_passive_scan+0x176/0x1d0\nle_conn_complete_evt+0x1b5/0x1a00\nhci_le_conn_complete_evt+0x234/0x340\nhci_le_meta_evt+0x231/0x4e0\nhci_event_packet+0x4c5/0xf00\nhci_rx_work+0x37d/0x880\nprocess_one_work+0x77b/0x11c0\nworker_thread+0x544/0x1180\nkthread+0x285/0x320\nret_from_fork+0x22/0x30\n\nFreed by task 269:\nkasan_save_stack+0x26/0x50\nkasan_set_track+0x25/0x40\nkasan_set_free_info+0x24/0x40\n____kasan_slab_free+0x176/0x1c0\n__kasan_slab_free+0x12/0x20\nslab_free_freelist_hook+0x95/0x1a0\nkfree+0xba/0x2f0\nhci_cmd_sync_clear+0x14c/0x210\nhci_unregister_dev+0xff/0x440\nvhci_release+0x7b/0xf0\n__fput+0x1f3/0x970\n____fput+0xe/0x20\ntask_work_run+0xd4/0x160\ndo_exit+0x8b0/0x22a0\ndo_group_exit+0xba/0x2a0\nget_signal+0x1e4a/0x25b0\narch_do_signal_or_restart+0x93/0x1f80\nexit_to_user_mode_prepare+0xf5/0x1a0\nsyscall_exit_to_user_mode+0x26/0x50\nret_from_fork+0x15/0x30"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_sync.c"], "versions": [{"version": "6a98e3836fa2077b169f10a35c2ca9952d53f987", "lessThan": "608901a77c945ac15dea23f6098c9882ef19d9f0", "status": "affected", "versionType": "git"}, {"version": "6a98e3836fa2077b169f10a35c2ca9952d53f987", "lessThan": "be586211a3ab40a4f4ca60450e0d31606afc55ec", "status": "affected", "versionType": "git"}, {"version": "6a98e3836fa2077b169f10a35c2ca9952d53f987", "lessThan": "1c66bee492a5fe00ae3fe890bb693bfc99f994c6", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_sync.c"], "versions": [{"version": "5.17", "status": "affected"}, {"version": "0", "lessThan": "5.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.22", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.9", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.1.22"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.2.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/608901a77c945ac15dea23f6098c9882ef19d9f0"}, {"url": "https://git.kernel.org/stable/c/be586211a3ab40a4f4ca60450e0d31606afc55ec"}, {"url": "https://git.kernel.org/stable/c/1c66bee492a5fe00ae3fe890bb693bfc99f994c6"}], "title": "Bluetooth: Fix race condition in hci_cmd_sync_clear", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0DF0D81D-0F33-4E0B-9879-A9401CFC0490", "versionEndExcluding": "6.1.22", "versionStartIncluding": "5.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "914F22DD-1E6F-4B0A-A14D-3A9F068F6761", "versionEndExcluding": "6.2.9", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*", "matchCriteriaId": "B8E3B0E8-FA27-4305-87BB-AF6C25B160CB", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*", "matchCriteriaId": "A47F0FC3-CE52-4BA1-BA51-22F783938431", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:*", "matchCriteriaId": "3583026A-27EC-4A4C-850A-83F2AF970673", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix race condition in hci_cmd_sync_clear\n\nThere is a potential race condition in hci_cmd_sync_work and\nhci_cmd_sync_clear, and could lead to use-after-free. For instance,\nhci_cmd_sync_work is added to the 'req_workqueue' after cancel_work_sync\nThe entry of 'cmd_sync_work_list' may be freed in hci_cmd_sync_clear, and\ncausing kernel panic when it is used in 'hci_cmd_sync_work'.\n\nHere's the call trace:\n\ndump_stack_lvl+0x49/0x63\nprint_report.cold+0x5e/0x5d3\n? hci_cmd_sync_work+0x282/0x320\nkasan_report+0xaa/0x120\n? hci_cmd_sync_work+0x282/0x320\n__asan_report_load8_noabort+0x14/0x20\nhci_cmd_sync_work+0x282/0x320\nprocess_one_work+0x77b/0x11c0\n? _raw_spin_lock_irq+0x8e/0xf0\nworker_thread+0x544/0x1180\n? poll_idle+0x1e0/0x1e0\nkthread+0x285/0x320\n? process_one_work+0x11c0/0x11c0\n? kthread_complete_and_exit+0x30/0x30\nret_from_fork+0x22/0x30\n</TASK>\n\nAllocated by task 266:\nkasan_save_stack+0x26/0x50\n__kasan_kmalloc+0xae/0xe0\nkmem_cache_alloc_trace+0x191/0x350\nhci_cmd_sync_queue+0x97/0x2b0\nhci_update_passive_scan+0x176/0x1d0\nle_conn_complete_evt+0x1b5/0x1a00\nhci_le_conn_complete_evt+0x234/0x340\nhci_le_meta_evt+0x231/0x4e0\nhci_event_packet+0x4c5/0xf00\nhci_rx_work+0x37d/0x880\nprocess_one_work+0x77b/0x11c0\nworker_thread+0x544/0x1180\nkthread+0x285/0x320\nret_from_fork+0x22/0x30\n\nFreed by task 269:\nkasan_save_stack+0x26/0x50\nkasan_set_track+0x25/0x40\nkasan_set_free_info+0x24/0x40\n____kasan_slab_free+0x176/0x1c0\n__kasan_slab_free+0x12/0x20\nslab_free_freelist_hook+0x95/0x1a0\nkfree+0xba/0x2f0\nhci_cmd_sync_clear+0x14c/0x210\nhci_unregister_dev+0xff/0x440\nvhci_release+0x7b/0xf0\n__fput+0x1f3/0x970\n____fput+0xe/0x20\ntask_work_run+0xd4/0x160\ndo_exit+0x8b0/0x22a0\ndo_group_exit+0xba/0x2a0\nget_signal+0x1e4a/0x25b0\narch_do_signal_or_restart+0x93/0x1f80\nexit_to_user_mode_prepare+0xf5/0x1a0\nsyscall_exit_to_user_mode+0x26/0x50\nret_from_fork+0x15/0x30"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: Corregir condici\u00f3n de ejecuci\u00f3n en hci_cmd_sync_clear Existe una posible condici\u00f3n de ejecuci\u00f3n en hci_cmd_sync_work y hci_cmd_sync_clear, y podr\u00eda provocar un use-after-free. Por ejemplo, hci_cmd_sync_work se a\u00f1ade a 'req_workqueue' despu\u00e9s de cancel_work_sync La entrada de 'cmd_sync_work_list' puede liberarse en hci_cmd_sync_clear y provocar un p\u00e1nico del kernel cuando se utiliza en 'hci_cmd_sync_work'. Aqu\u00ed est\u00e1 el seguimiento de la llamada: dump_stack_lvl+0x49/0x63 print_report.cold+0x5e/0x5d3 ? hci_cmd_sync_work+0x282/0x320 kasan_report+0xaa/0x120 ? hci_cmd_sync_work+0x282/0x320 __asan_report_load8_noabort+0x14/0x20 hci_cmd_sync_work+0x282/0x320 process_one_work+0x77b/0x11c0 ? _raw_spin_lock_irq+0x8e/0xf0 worker_thread+0x544/0x1180 ? poll_idle+0x1e0/0x1e0 kthread+0x285/0x320 ? process_one_work+0x11c0/0x11c0 ? kthread_complete_and_exit+0x30/0x30 ret_from_fork+0x22/0x30 Allocated by task 266: kasan_save_stack+0x26/0x50 __kasan_kmalloc+0xae/0xe0 kmem_cache_alloc_trace+0x191/0x350 hci_cmd_sync_queue+0x97/0x2b0 hci_update_passive_scan+0x176/0x1d0 le_conn_complete_evt+0x1b5/0x1a00 hci_le_conn_complete_evt+0x234/0x340 hci_le_meta_evt+0x231/0x4e0 hci_event_packet+0x4c5/0xf00 hci_rx_work+0x37d/0x880 process_one_work+0x77b/0x11c0 worker_thread+0x544/0x1180 kthread+0x285/0x320 ret_from_fork+0x22/0x30 Freed by task 269: kasan_save_stack+0x26/0x50 kasan_set_track+0x25/0x40 kasan_set_free_info+0x24/0x40 ____kasan_slab_free+0x176/0x1c0 __kasan_slab_free+0x12/0x20 slab_free_freelist_hook+0x95/0x1a0 kfree+0xba/0x2f0 hci_cmd_sync_clear+0x14c/0x210 hci_unregister_dev+0xff/0x440 vhci_release+0x7b/0xf0 __fput+0x1f3/0x970 ____fput+0xe/0x20 task_work_run+0xd4/0x160 do_exit+0x8b0/0x22a0 do_group_exit+0xba/0x2a0 get_signal+0x1e4a/0x25b0 arch_do_signal_or_restart+0x93/0x1f80 exit_to_user_mode_prepare+0xf5/0x1a0 syscall_exit_to_user_mode+0x26/0x50 ret_from_fork+0x15/0x30 "}], "id": "CVE-2023-53046", "lastModified": "2025-11-12T16:46:48.923", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-05-02T16:15:23.697", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1c66bee492a5fe00ae3fe890bb693bfc99f994c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/608901a77c945ac15dea23f6098c9882ef19d9f0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/be586211a3ab40a4f4ca60450e0d31606afc55ec"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:2394", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.13.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:2394", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.13.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}], "bugzilla": {"description": "kernel: Bluetooth: Fix race condition in hci_cmd_sync_clear", "id": "2363700", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363700"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: Fix race condition in hci_cmd_sync_clear\nThere is a potential race condition in hci_cmd_sync_work and\nhci_cmd_sync_clear, and could lead to use-after-free. For instance,\nhci_cmd_sync_work is added to the 'req_workqueue' after cancel_work_sync\nThe entry of 'cmd_sync_work_list' may be freed in hci_cmd_sync_clear, and\ncausing kernel panic when it is used in 'hci_cmd_sync_work'.\nHere's the call trace:\ndump_stack_lvl+0x49/0x63\nprint_report.cold+0x5e/0x5d3\n? hci_cmd_sync_work+0x282/0x320\nkasan_report+0xaa/0x120\n? hci_cmd_sync_work+0x282/0x320\n__asan_report_load8_noabort+0x14/0x20\nhci_cmd_sync_work+0x282/0x320\nprocess_one_work+0x77b/0x11c0\n? _raw_spin_lock_irq+0x8e/0xf0\nworker_thread+0x544/0x1180\n? poll_idle+0x1e0/0x1e0\nkthread+0x285/0x320\n? process_one_work+0x11c0/0x11c0\n? kthread_complete_and_exit+0x30/0x30\nret_from_fork+0x22/0x30\n</TASK>\nAllocated by task 266:\nkasan_save_stack+0x26/0x50\n__kasan_kmalloc+0xae/0xe0\nkmem_cache_alloc_trace+0x191/0x350\nhci_cmd_sync_queue+0x97/0x2b0\nhci_update_passive_scan+0x176/0x1d0\nle_conn_complete_evt+0x1b5/0x1a00\nhci_le_conn_complete_evt+0x234/0x340\nhci_le_meta_evt+0x231/0x4e0\nhci_event_packet+0x4c5/0xf00\nhci_rx_work+0x37d/0x880\nprocess_one_work+0x77b/0x11c0\nworker_thread+0x544/0x1180\nkthread+0x285/0x320\nret_from_fork+0x22/0x30\nFreed by task 269:\nkasan_save_stack+0x26/0x50\nkasan_set_track+0x25/0x40\nkasan_set_free_info+0x24/0x40\n____kasan_slab_free+0x176/0x1c0\n__kasan_slab_free+0x12/0x20\nslab_free_freelist_hook+0x95/0x1a0\nkfree+0xba/0x2f0\nhci_cmd_sync_clear+0x14c/0x210\nhci_unregister_dev+0xff/0x440\nvhci_release+0x7b/0xf0\n__fput+0x1f3/0x970\n____fput+0xe/0x20\ntask_work_run+0xd4/0x160\ndo_exit+0x8b0/0x22a0\ndo_group_exit+0xba/0x2a0\nget_signal+0x1e4a/0x25b0\narch_do_signal_or_restart+0x93/0x1f80\nexit_to_user_mode_prepare+0xf5/0x1a0\nsyscall_exit_to_user_mode+0x26/0x50\nret_from_fork+0x15/0x30"], "name": "CVE-2023-53046", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53046\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53046\nhttps://lore.kernel.org/linux-cve-announce/2025050204-CVE-2023-53046-f1fc@gregkh/T"], "threat_severity": "Moderate"}

{}