{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-48878", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-16T11:38:08.922Z", "datePublished": "2024-08-21T06:10:09.418Z", "dateUpdated": "2026-05-11T18:48:54.632Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:48:54.632Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: Fix driver shutdown on closed serdev\n\nThe driver shutdown callback (which sends EDL_SOC_RESET to the device\nover serdev) should not be invoked when HCI device is not open (e.g. if\nhci_dev_open_sync() failed), because the serdev and its TTY are not open\neither. Also skip this step if device is powered off\n(qca_power_shutdown()).\n\nThe shutdown callback causes use-after-free during system reboot with\nQualcomm Atheros Bluetooth:\n\n Unable to handle kernel paging request at virtual address\n 0072662f67726fd7\n ...\n CPU: 6 PID: 1 Comm: systemd-shutdow Tainted: G W\n 6.1.0-rt5-00325-g8a5f56bcfcca #8\n Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n Call trace:\n tty_driver_flush_buffer+0x4/0x30\n serdev_device_write_flush+0x24/0x34\n qca_serdev_shutdown+0x80/0x130 [hci_uart]\n device_shutdown+0x15c/0x260\n kernel_restart+0x48/0xac\n\nKASAN report:\n\n BUG: KASAN: use-after-free in tty_driver_flush_buffer+0x1c/0x50\n Read of size 8 at addr ffff16270c2e0018 by task systemd-shutdow/1\n\n CPU: 7 PID: 1 Comm: systemd-shutdow Not tainted\n 6.1.0-next-20221220-00014-gb85aaf97fb01-dirty #28\n Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n Call trace:\n dump_backtrace.part.0+0xdc/0xf0\n show_stack+0x18/0x30\n dump_stack_lvl+0x68/0x84\n print_report+0x188/0x488\n kasan_report+0xa4/0xf0\n __asan_load8+0x80/0xac\n tty_driver_flush_buffer+0x1c/0x50\n ttyport_write_flush+0x34/0x44\n serdev_device_write_flush+0x48/0x60\n qca_serdev_shutdown+0x124/0x274\n device_shutdown+0x1e8/0x350\n kernel_restart+0x48/0xb0\n __do_sys_reboot+0x244/0x2d0\n __arm64_sys_reboot+0x54/0x70\n invoke_syscall+0x60/0x190\n el0_svc_common.constprop.0+0x7c/0x160\n do_el0_svc+0x44/0xf0\n el0_svc+0x2c/0x6c\n el0t_64_sync_handler+0xbc/0x140\n el0t_64_sync+0x190/0x194"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/hci_qca.c"], "versions": [{"version": "7e7bbddd029b644f00f0ffbfbc485ed71977d0d5", "lessThan": "e84ec6e25df9bb0968599e92eacedaf3a0a5b587", "status": "affected", "versionType": "git"}, {"version": "7e7bbddd029b644f00f0ffbfbc485ed71977d0d5", "lessThan": "908d1742b6e694e84ead5c62e4b7c1bfbb8b46a3", "status": "affected", "versionType": "git"}, {"version": "7e7bbddd029b644f00f0ffbfbc485ed71977d0d5", "lessThan": "ea3ebda47dd56f6e1c62f2e0e1b6e1b0a973e447", "status": "affected", "versionType": "git"}, {"version": "7e7bbddd029b644f00f0ffbfbc485ed71977d0d5", "lessThan": "272970be3dabd24cbe50e393ffee8f04aec3b9a8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/hci_qca.c"], "versions": [{"version": "5.8", "status": "affected"}, {"version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.165", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.90", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.8", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "5.8", "versionEndExcluding": "5.10.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.15.90"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e84ec6e25df9bb0968599e92eacedaf3a0a5b587"}, {"url": "https://git.kernel.org/stable/c/908d1742b6e694e84ead5c62e4b7c1bfbb8b46a3"}, {"url": "https://git.kernel.org/stable/c/ea3ebda47dd56f6e1c62f2e0e1b6e1b0a973e447"}, {"url": "https://git.kernel.org/stable/c/272970be3dabd24cbe50e393ffee8f04aec3b9a8"}], "title": "Bluetooth: hci_qca: Fix driver shutdown on closed serdev", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-48878", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:05:06.349695Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T17:32:53.074Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-48878", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:05:06.349695Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:11.858Z"}}], "cna": {"title": "Bluetooth: hci_qca: Fix driver shutdown on closed serdev", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "7e7bbddd029b644f00f0ffbfbc485ed71977d0d5", "lessThan": "e84ec6e25df9bb0968599e92eacedaf3a0a5b587", "versionType": "git"}, {"status": "affected", "version": "7e7bbddd029b644f00f0ffbfbc485ed71977d0d5", "lessThan": "908d1742b6e694e84ead5c62e4b7c1bfbb8b46a3", "versionType": "git"}, {"status": "affected", "version": "7e7bbddd029b644f00f0ffbfbc485ed71977d0d5", "lessThan": "ea3ebda47dd56f6e1c62f2e0e1b6e1b0a973e447", "versionType": "git"}, {"status": "affected", "version": "7e7bbddd029b644f00f0ffbfbc485ed71977d0d5", "lessThan": "272970be3dabd24cbe50e393ffee8f04aec3b9a8", "versionType": "git"}], "programFiles": ["drivers/bluetooth/hci_qca.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.8"}, {"status": "unaffected", "version": "0", "lessThan": "5.8", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.165", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.90", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.8", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/bluetooth/hci_qca.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/e84ec6e25df9bb0968599e92eacedaf3a0a5b587"}, {"url": "https://git.kernel.org/stable/c/908d1742b6e694e84ead5c62e4b7c1bfbb8b46a3"}, {"url": "https://git.kernel.org/stable/c/ea3ebda47dd56f6e1c62f2e0e1b6e1b0a973e447"}, {"url": "https://git.kernel.org/stable/c/272970be3dabd24cbe50e393ffee8f04aec3b9a8"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: Fix driver shutdown on closed serdev\n\nThe driver shutdown callback (which sends EDL_SOC_RESET to the device\nover serdev) should not be invoked when HCI device is not open (e.g. if\nhci_dev_open_sync() failed), because the serdev and its TTY are not open\neither. Also skip this step if device is powered off\n(qca_power_shutdown()).\n\nThe shutdown callback causes use-after-free during system reboot with\nQualcomm Atheros Bluetooth:\n\n Unable to handle kernel paging request at virtual address\n 0072662f67726fd7\n ...\n CPU: 6 PID: 1 Comm: systemd-shutdow Tainted: G W\n 6.1.0-rt5-00325-g8a5f56bcfcca #8\n Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n Call trace:\n tty_driver_flush_buffer+0x4/0x30\n serdev_device_write_flush+0x24/0x34\n qca_serdev_shutdown+0x80/0x130 [hci_uart]\n device_shutdown+0x15c/0x260\n kernel_restart+0x48/0xac\n\nKASAN report:\n\n BUG: KASAN: use-after-free in tty_driver_flush_buffer+0x1c/0x50\n Read of size 8 at addr ffff16270c2e0018 by task systemd-shutdow/1\n\n CPU: 7 PID: 1 Comm: systemd-shutdow Not tainted\n 6.1.0-next-20221220-00014-gb85aaf97fb01-dirty #28\n Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n Call trace:\n dump_backtrace.part.0+0xdc/0xf0\n show_stack+0x18/0x30\n dump_stack_lvl+0x68/0x84\n print_report+0x188/0x488\n kasan_report+0xa4/0xf0\n __asan_load8+0x80/0xac\n tty_driver_flush_buffer+0x1c/0x50\n ttyport_write_flush+0x34/0x44\n serdev_device_write_flush+0x48/0x60\n qca_serdev_shutdown+0x124/0x274\n device_shutdown+0x1e8/0x350\n kernel_restart+0x48/0xb0\n __do_sys_reboot+0x244/0x2d0\n __arm64_sys_reboot+0x54/0x70\n invoke_syscall+0x60/0x190\n el0_svc_common.constprop.0+0x7c/0x160\n do_el0_svc+0x44/0xf0\n el0_svc+0x2c/0x6c\n el0t_64_sync_handler+0xbc/0x140\n el0t_64_sync+0x190/0x194"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.165", "versionStartIncluding": "5.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.90", "versionStartIncluding": "5.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.8", "versionStartIncluding": "5.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.2", "versionStartIncluding": "5.8"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:48:54.632Z"}}}, "cveMetadata": {"cveId": "CVE-2022-48878", "state": "PUBLISHED", "dateUpdated": "2026-05-11T18:48:54.632Z", "dateReserved": "2024-07-16T11:38:08.922Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-08-21T06:10:09.418Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "85119E53-5574-4A7A-9F6D-E0BD0253014F", "versionEndExcluding": "5.10.165", "versionStartIncluding": "5.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E995CDA5-7223-4FDB-BAD3-81B22C763A43", "versionEndExcluding": "5.15.90", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A6AFE6C9-3F59-4711-B2CF-7D6682FF6BD0", "versionEndExcluding": "6.1.8", "versionStartIncluding": "5.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: Fix driver shutdown on closed serdev\n\nThe driver shutdown callback (which sends EDL_SOC_RESET to the device\nover serdev) should not be invoked when HCI device is not open (e.g. if\nhci_dev_open_sync() failed), because the serdev and its TTY are not open\neither. Also skip this step if device is powered off\n(qca_power_shutdown()).\n\nThe shutdown callback causes use-after-free during system reboot with\nQualcomm Atheros Bluetooth:\n\n Unable to handle kernel paging request at virtual address\n 0072662f67726fd7\n ...\n CPU: 6 PID: 1 Comm: systemd-shutdow Tainted: G W\n 6.1.0-rt5-00325-g8a5f56bcfcca #8\n Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n Call trace:\n tty_driver_flush_buffer+0x4/0x30\n serdev_device_write_flush+0x24/0x34\n qca_serdev_shutdown+0x80/0x130 [hci_uart]\n device_shutdown+0x15c/0x260\n kernel_restart+0x48/0xac\n\nKASAN report:\n\n BUG: KASAN: use-after-free in tty_driver_flush_buffer+0x1c/0x50\n Read of size 8 at addr ffff16270c2e0018 by task systemd-shutdow/1\n\n CPU: 7 PID: 1 Comm: systemd-shutdow Not tainted\n 6.1.0-next-20221220-00014-gb85aaf97fb01-dirty #28\n Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n Call trace:\n dump_backtrace.part.0+0xdc/0xf0\n show_stack+0x18/0x30\n dump_stack_lvl+0x68/0x84\n print_report+0x188/0x488\n kasan_report+0xa4/0xf0\n __asan_load8+0x80/0xac\n tty_driver_flush_buffer+0x1c/0x50\n ttyport_write_flush+0x34/0x44\n serdev_device_write_flush+0x48/0x60\n qca_serdev_shutdown+0x124/0x274\n device_shutdown+0x1e8/0x350\n kernel_restart+0x48/0xb0\n __do_sys_reboot+0x244/0x2d0\n __arm64_sys_reboot+0x54/0x70\n invoke_syscall+0x60/0x190\n el0_svc_common.constprop.0+0x7c/0x160\n do_el0_svc+0x44/0xf0\n el0_svc+0x2c/0x6c\n el0t_64_sync_handler+0xbc/0x140\n el0t_64_sync+0x190/0x194"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Bluetooth: hci_qca: corrige el apagado del controlador en serdev cerrado La devoluci\u00f3n de llamada de apagado del controlador (que env\u00eda EDL_SOC_RESET al dispositivo a trav\u00e9s de serdev) no debe invocarse cuando el dispositivo HCI no est\u00e1 abierto (por ejemplo, si hci_dev_open_sync () fall\u00f3), porque el serdev y su TTY tampoco est\u00e1n abiertos. Omita tambi\u00e9n este paso si el dispositivo est\u00e1 apagado (qca_power_shutdown()). La devoluci\u00f3n de llamada de apagado provoca use-after-free durante el reinicio del sistema con Qualcomm Atheros Bluetooth: no se puede manejar la solicitud de paginaci\u00f3n del kernel en la direcci\u00f3n virtual 0072662f67726fd7... CPU: 6 PID: 1 Comm: systemd-shutdow Contaminado: GW 6.1.0-rt5- 00325-g8a5f56bcfcca #8 Nombre del hardware: Qualcomm Technologies, Inc. Robotics RB5 (DT) Rastreo de llamadas: tty_driver_flush_b\u00fafer+0x4/0x30 serdev_device_write_flush+0x24/0x34 qca_serdev_shutdown+0x80/0x130 [hci_uart] device_shutdown+0x15c/0x2 60 kernel_restart+0x48/0xac KASAN informe: ERROR: KASAN: use-after-free en tty_driver_flush_b\u00fafer+0x1c/0x50 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff16270c2e0018 por tarea systemd-shutdow/1 CPU: 7 PID: 1 Comunicaciones: systemd-shutdow No contaminado 6.1.0-next- 20221220-00014-gb85aaf97fb01-dirty #28 Nombre del hardware: Qualcomm Technologies, Inc. Robotics RB5 (DT) Rastreo de llamadas: dump_backtrace.part.0+0xdc/0xf0 show_stack+0x18/0x30 dump_stack_lvl+0x68/0x84 print_report+0x188/0x488 puerto +0xa4/0xf0 __asan_load8+0x80/0xac tty_driver_flush_b\u00fafer+0x1c/0x50 ttyport_write_flush+0x34/0x44 serdev_device_write_flush+0x48/0x60 qca_serdev_shutdown+0x124/0x274 dispositivo_shutdown+0x1e8/0x3 50 kernel_restart+0x48/0xb0 __do_sys_reboot+0x244/0x2d0 __arm64_sys_reboot+0x54/0x70 invoke_syscall +0x60/0x190 el0_svc_common.constprop.0+0x7c/0x160 do_el0_svc+0x44/0xf0 el0_svc+0x2c/0x6c el0t_64_sync_handler+0xbc/0x140 el0t_64_sync+0x190/0x194"}], "id": "CVE-2022-48878", "lastModified": "2024-08-29T02:39:54.480", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-08-21T07:15:04.627", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/272970be3dabd24cbe50e393ffee8f04aec3b9a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/908d1742b6e694e84ead5c62e4b7c1bfbb8b46a3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e84ec6e25df9bb0968599e92eacedaf3a0a5b587"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea3ebda47dd56f6e1c62f2e0e1b6e1b0a973e447"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: Bluetooth: hci_qca: Fix driver shutdown on closed serdev", "id": "2306399", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2306399"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: hci_qca: Fix driver shutdown on closed serdev\nThe driver shutdown callback (which sends EDL_SOC_RESET to the device\nover serdev) should not be invoked when HCI device is not open (e.g. if\nhci_dev_open_sync() failed), because the serdev and its TTY are not open\neither. Also skip this step if device is powered off\n(qca_power_shutdown()).\nThe shutdown callback causes use-after-free during system reboot with\nQualcomm Atheros Bluetooth:\nUnable to handle kernel paging request at virtual address\n0072662f67726fd7\n...\nCPU: 6 PID: 1 Comm: systemd-shutdow Tainted: G W\n6.1.0-rt5-00325-g8a5f56bcfcca #8\nHardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\nCall trace:\ntty_driver_flush_buffer+0x4/0x30\nserdev_device_write_flush+0x24/0x34\nqca_serdev_shutdown+0x80/0x130 [hci_uart]\ndevice_shutdown+0x15c/0x260\nkernel_restart+0x48/0xac\nKASAN report:\nBUG: KASAN: use-after-free in tty_driver_flush_buffer+0x1c/0x50\nRead of size 8 at addr ffff16270c2e0018 by task systemd-shutdow/1\nCPU: 7 PID: 1 Comm: systemd-shutdow Not tainted\n6.1.0-next-20221220-00014-gb85aaf97fb01-dirty #28\nHardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\nCall trace:\ndump_backtrace.part.0+0xdc/0xf0\nshow_stack+0x18/0x30\ndump_stack_lvl+0x68/0x84\nprint_report+0x188/0x488\nkasan_report+0xa4/0xf0\n__asan_load8+0x80/0xac\ntty_driver_flush_buffer+0x1c/0x50\nttyport_write_flush+0x34/0x44\nserdev_device_write_flush+0x48/0x60\nqca_serdev_shutdown+0x124/0x274\ndevice_shutdown+0x1e8/0x350\nkernel_restart+0x48/0xb0\n__do_sys_reboot+0x244/0x2d0\n__arm64_sys_reboot+0x54/0x70\ninvoke_syscall+0x60/0x190\nel0_svc_common.constprop.0+0x7c/0x160\ndo_el0_svc+0x44/0xf0\nel0_svc+0x2c/0x6c\nel0t_64_sync_handler+0xbc/0x140\nel0t_64_sync+0x190/0x194", "A vulnerability was found in the Linux kernel's bluetooth driver hci_qca.c. If the driver's shutdown callback is invoked while the HCI device is not open, it may cause a use-after-free situation and potentially lead to a kernel panic during system reboot."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2022-48878", "package_state": [{"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-08-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48878\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48878\nhttps://lore.kernel.org/linux-cve-announce/2024082107-CVE-2022-48878-5802@gregkh/T"], "statement": "Red Hat Enterprise Linux is not impacted by this CVE, as this vulnerability does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue and no further action or mitigation is necessary for systems running this operating system.", "threat_severity": "Important"}

{}