{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49936", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.255Z", "datePublished": "2025-06-18T10:54:37.889Z", "dateUpdated": "2026-05-11T19:09:33.668Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:09:33.668Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: core: Prevent nested device-reset calls\n\nAutomatic kernel fuzzing revealed a recursive locking violation in\nusb-storage:\n\n============================================\nWARNING: possible recursive locking detected\n5.18.0 #3 Not tainted\n--------------------------------------------\nkworker/1:3/1205 is trying to acquire lock:\nffff888018638db8 (&us_interface_key[i]){+.+.}-{3:3}, at:\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\n\nbut task is already holding lock:\nffff888018638db8 (&us_interface_key[i]){+.+.}-{3:3}, at:\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\n\n...\n\nstack backtrace:\nCPU: 1 PID: 1205 Comm: kworker/1:3 Not tainted 5.18.0 #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.13.0-1ubuntu1.1 04/01/2014\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n<TASK>\n__dump_stack lib/dump_stack.c:88 [inline]\ndump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\nprint_deadlock_bug kernel/locking/lockdep.c:2988 [inline]\ncheck_deadlock kernel/locking/lockdep.c:3031 [inline]\nvalidate_chain kernel/locking/lockdep.c:3816 [inline]\n__lock_acquire.cold+0x152/0x3ca kernel/locking/lockdep.c:5053\nlock_acquire kernel/locking/lockdep.c:5665 [inline]\nlock_acquire+0x1ab/0x520 kernel/locking/lockdep.c:5630\n__mutex_lock_common kernel/locking/mutex.c:603 [inline]\n__mutex_lock+0x14f/0x1610 kernel/locking/mutex.c:747\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\nusb_reset_device+0x37d/0x9a0 drivers/usb/core/hub.c:6109\nr871xu_dev_remove+0x21a/0x270 drivers/staging/rtl8712/usb_intf.c:622\nusb_unbind_interface+0x1bd/0x890 drivers/usb/core/driver.c:458\ndevice_remove drivers/base/dd.c:545 [inline]\ndevice_remove+0x11f/0x170 drivers/base/dd.c:537\n__device_release_driver drivers/base/dd.c:1222 [inline]\ndevice_release_driver_internal+0x1a7/0x2f0 drivers/base/dd.c:1248\nusb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:627\nusb_forced_unbind_intf+0x4d/0xa0 drivers/usb/core/driver.c:1118\nusb_reset_device+0x39b/0x9a0 drivers/usb/core/hub.c:6114\n\nThis turned out not to be an error in usb-storage but rather a nested\ndevice reset attempt. That is, as the rtl8712 driver was being\nunbound from a composite device in preparation for an unrelated USB\nreset (that driver does not have pre_reset or post_reset callbacks),\nits ->remove routine called usb_reset_device() -- thus nesting one\nreset call within another.\n\nPerforming a reset as part of disconnect processing is a questionable\npractice at best. However, the bug report points out that the USB\ncore does not have any protection against nested resets. Adding a\nreset_in_progress flag and testing it will prevent such errors in the\nfuture."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/core/hub.c", "include/linux/usb.h"], "versions": [{"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70", "lessThan": "d90419b8b8322b6924f6da9da952647f2dadc21b", "status": "affected", "versionType": "git"}, {"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70", "lessThan": "1b29498669914c7f9afb619722421418a753d372", "status": "affected", "versionType": "git"}, {"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70", "lessThan": "cc9a12e12808af178c600cc485338bac2e37d2a8", "status": "affected", "versionType": "git"}, {"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70", "lessThan": "df1875084898b15cbc42f712e93d7f113ae6271b", "status": "affected", "versionType": "git"}, {"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70", "lessThan": "abe3cfb7a7c8e907b312c7dbd7bf4d142b745aa8", "status": "affected", "versionType": "git"}, {"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70", "lessThan": "c548b99e1c37db6f7df86ecfe9a1f895d6c5966e", "status": "affected", "versionType": "git"}, {"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70", "lessThan": "d5eb850b3e8836197a38475840725260b9783e94", "status": "affected", "versionType": "git"}, {"version": "78d9a487ee961c356e1a934d9a92eca38ffb3a70", "lessThan": "9c6d778800b921bde3bff3cff5003d1650f942d1", "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/usb/core/hub.c", "include/linux/usb.h"], "versions": [{"version": "2.6.27", "status": "affected"}, {"version": "0", "lessThan": "2.6.27", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.328", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.293", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.258", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.213", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.142", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.66", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.8", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "2.6.27", "versionEndExcluding": "4.9.328"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "4.14.293"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "4.19.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "5.4.213"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "5.10.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "5.15.66"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "5.19.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d90419b8b8322b6924f6da9da952647f2dadc21b"}, {"url": "https://git.kernel.org/stable/c/1b29498669914c7f9afb619722421418a753d372"}, {"url": "https://git.kernel.org/stable/c/cc9a12e12808af178c600cc485338bac2e37d2a8"}, {"url": "https://git.kernel.org/stable/c/df1875084898b15cbc42f712e93d7f113ae6271b"}, {"url": "https://git.kernel.org/stable/c/abe3cfb7a7c8e907b312c7dbd7bf4d142b745aa8"}, {"url": "https://git.kernel.org/stable/c/c548b99e1c37db6f7df86ecfe9a1f895d6c5966e"}, {"url": "https://git.kernel.org/stable/c/d5eb850b3e8836197a38475840725260b9783e94"}, {"url": "https://git.kernel.org/stable/c/9c6d778800b921bde3bff3cff5003d1650f942d1"}], "title": "USB: core: Prevent nested device-reset calls", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "82C9EA22-96BE-488C-A979-0A1FBD90A0AE", "versionEndExcluding": "4.9.328", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5D9B742D-912D-4E0C-A42F-367086FDEA88", "versionEndExcluding": "4.14.293", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "253D30F5-3734-4663-883A-288786D3B66E", "versionEndExcluding": "4.19.258", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C373116-9E23-44BA-A6B7-87C8BF5C3B85", "versionEndExcluding": "5.4.213", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D44AD643-5591-432E-BD41-C2C737F54AC0", "versionEndExcluding": "5.10.142", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "52AE7E2B-7BE3-4B8A-89CC-AB62434899A3", "versionEndExcluding": "5.15.66", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7FEC7656-4CE2-424C-8830-EDB160E701C8", "versionEndExcluding": "5.19.8", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "5F0AD220-F6A9-4012-8636-155F1B841FAD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "A46498B3-78E1-4623-AAE1-94D29A42BE4E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: core: Prevent nested device-reset calls\n\nAutomatic kernel fuzzing revealed a recursive locking violation in\nusb-storage:\n\n============================================\nWARNING: possible recursive locking detected\n5.18.0 #3 Not tainted\n--------------------------------------------\nkworker/1:3/1205 is trying to acquire lock:\nffff888018638db8 (&us_interface_key[i]){+.+.}-{3:3}, at:\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\n\nbut task is already holding lock:\nffff888018638db8 (&us_interface_key[i]){+.+.}-{3:3}, at:\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\n\n...\n\nstack backtrace:\nCPU: 1 PID: 1205 Comm: kworker/1:3 Not tainted 5.18.0 #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.13.0-1ubuntu1.1 04/01/2014\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n<TASK>\n__dump_stack lib/dump_stack.c:88 [inline]\ndump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\nprint_deadlock_bug kernel/locking/lockdep.c:2988 [inline]\ncheck_deadlock kernel/locking/lockdep.c:3031 [inline]\nvalidate_chain kernel/locking/lockdep.c:3816 [inline]\n__lock_acquire.cold+0x152/0x3ca kernel/locking/lockdep.c:5053\nlock_acquire kernel/locking/lockdep.c:5665 [inline]\nlock_acquire+0x1ab/0x520 kernel/locking/lockdep.c:5630\n__mutex_lock_common kernel/locking/mutex.c:603 [inline]\n__mutex_lock+0x14f/0x1610 kernel/locking/mutex.c:747\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\nusb_reset_device+0x37d/0x9a0 drivers/usb/core/hub.c:6109\nr871xu_dev_remove+0x21a/0x270 drivers/staging/rtl8712/usb_intf.c:622\nusb_unbind_interface+0x1bd/0x890 drivers/usb/core/driver.c:458\ndevice_remove drivers/base/dd.c:545 [inline]\ndevice_remove+0x11f/0x170 drivers/base/dd.c:537\n__device_release_driver drivers/base/dd.c:1222 [inline]\ndevice_release_driver_internal+0x1a7/0x2f0 drivers/base/dd.c:1248\nusb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:627\nusb_forced_unbind_intf+0x4d/0xa0 drivers/usb/core/driver.c:1118\nusb_reset_device+0x39b/0x9a0 drivers/usb/core/hub.c:6114\n\nThis turned out not to be an error in usb-storage but rather a nested\ndevice reset attempt. That is, as the rtl8712 driver was being\nunbound from a composite device in preparation for an unrelated USB\nreset (that driver does not have pre_reset or post_reset callbacks),\nits ->remove routine called usb_reset_device() -- thus nesting one\nreset call within another.\n\nPerforming a reset as part of disconnect processing is a questionable\npractice at best. However, the bug report points out that the USB\ncore does not have any protection against nested resets. Adding a\nreset_in_progress flag and testing it will prevent such errors in the\nfuture."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: USB: n\u00facleo: evitar llamadas de reinicio de dispositivo anidadas. El fuzzing autom\u00e1tico del kernel revel\u00f3 una violaci\u00f3n de bloqueo recursivo en usb-storage: ============================================== ADVERTENCIA: posible bloqueo recursivo detectado 5.18.0 #3 No contaminado -------------------------------------------- kworker/1:3/1205 est\u00e1 intentando adquirir el bloqueo: ffff888018638db8 (&amp;us_interface_key[i]){+.+.}-{3:3}, en: usb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230 pero la tarea ya est\u00e1 manteniendo el bloqueo: ffff888018638db8 (&amp;us_interface_key[i]){+.+.}-{3:3}, en: usb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230 ... seguimiento de pila: CPU: 1 PID: 1205 Comm: kworker/1:3 No contaminado 5.18.0 #3 Nombre de hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 Cola de trabajo: usb_hub_wq hub_event Seguimiento de llamadas: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_deadlock_bug kernel/locking/lockdep.c:2988 [inline] check_deadlock kernel/locking/lockdep.c:3031 [inline] validate_chain kernel/locking/lockdep.c:3816 [inline] __lock_acquire.cold+0x152/0x3ca kernel/locking/lockdep.c:5053 lock_acquire kernel/locking/lockdep.c:5665 [inline] lock_acquire+0x1ab/0x520 kernel/locking/lockdep.c:5630 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x14f/0x1610 kernel/locking/mutex.c:747 usb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230 usb_reset_device+0x37d/0x9a0 drivers/usb/core/hub.c:6109 r871xu_dev_remove+0x21a/0x270 drivers/staging/rtl8712/usb_intf.c:622 usb_unbind_interface+0x1bd/0x890 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:545 [inline] device_remove+0x11f/0x170 drivers/base/dd.c:537 __device_release_driver drivers/base/dd.c:1222 [inline] device_release_driver_internal+0x1a7/0x2f0 drivers/base/dd.c:1248 usb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:627 usb_forced_unbind_intf+0x4d/0xa0 drivers/usb/core/driver.c:1118 usb_reset_device+0x39b/0x9a0 drivers/usb/core/hub.c:6114 Result\u00f3 que esto no era un error en usb-storage sino m\u00e1s bien un intento de reinicio de dispositivo anidado. Es decir, como el controlador rtl8712 se estaba desvinculando de un dispositivo compuesto en preparaci\u00f3n para un reinicio USB no relacionado (ese controlador no tiene devoluciones de llamada pre_reset o post_reset), su rutina -&gt;remove llam\u00f3 a usb_reset_device() - anidando as\u00ed una llamada de reinicio dentro de otra. Realizar un reinicio como parte del procesamiento de desconexi\u00f3n es una pr\u00e1ctica cuestionable en el mejor de los casos. Sin embargo, el informe de errores se\u00f1ala que el n\u00facleo USB no tiene ninguna protecci\u00f3n contra reinicios anidados. Agregar un indicador reset_in_progress y probarlo evitar\u00e1 tales errores en el futuro. "}], "id": "CVE-2022-49936", "lastModified": "2025-11-14T20:24:47.927", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-06-18T11:15:20.450", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1b29498669914c7f9afb619722421418a753d372"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9c6d778800b921bde3bff3cff5003d1650f942d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/abe3cfb7a7c8e907b312c7dbd7bf4d142b745aa8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c548b99e1c37db6f7df86ecfe9a1f895d6c5966e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cc9a12e12808af178c600cc485338bac2e37d2a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d5eb850b3e8836197a38475840725260b9783e94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d90419b8b8322b6924f6da9da952647f2dadc21b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/df1875084898b15cbc42f712e93d7f113ae6271b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: USB: core: Prevent nested device-reset calls", "id": "2373402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373402"}, "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": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nUSB: core: Prevent nested device-reset calls\nAutomatic kernel fuzzing revealed a recursive locking violation in\nusb-storage:\n============================================\nWARNING: possible recursive locking detected\n5.18.0 #3 Not tainted\n--------------------------------------------\nkworker/1:3/1205 is trying to acquire lock:\nffff888018638db8 (&us_interface_key[i]){+.+.}-{3:3}, at:\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\nbut task is already holding lock:\nffff888018638db8 (&us_interface_key[i]){+.+.}-{3:3}, at:\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\n...\nstack backtrace:\nCPU: 1 PID: 1205 Comm: kworker/1:3 Not tainted 5.18.0 #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n1.13.0-1ubuntu1.1 04/01/2014\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n<TASK>\n__dump_stack lib/dump_stack.c:88 [inline]\ndump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\nprint_deadlock_bug kernel/locking/lockdep.c:2988 [inline]\ncheck_deadlock kernel/locking/lockdep.c:3031 [inline]\nvalidate_chain kernel/locking/lockdep.c:3816 [inline]\n__lock_acquire.cold+0x152/0x3ca kernel/locking/lockdep.c:5053\nlock_acquire kernel/locking/lockdep.c:5665 [inline]\nlock_acquire+0x1ab/0x520 kernel/locking/lockdep.c:5630\n__mutex_lock_common kernel/locking/mutex.c:603 [inline]\n__mutex_lock+0x14f/0x1610 kernel/locking/mutex.c:747\nusb_stor_pre_reset+0x35/0x40 drivers/usb/storage/usb.c:230\nusb_reset_device+0x37d/0x9a0 drivers/usb/core/hub.c:6109\nr871xu_dev_remove+0x21a/0x270 drivers/staging/rtl8712/usb_intf.c:622\nusb_unbind_interface+0x1bd/0x890 drivers/usb/core/driver.c:458\ndevice_remove drivers/base/dd.c:545 [inline]\ndevice_remove+0x11f/0x170 drivers/base/dd.c:537\n__device_release_driver drivers/base/dd.c:1222 [inline]\ndevice_release_driver_internal+0x1a7/0x2f0 drivers/base/dd.c:1248\nusb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:627\nusb_forced_unbind_intf+0x4d/0xa0 drivers/usb/core/driver.c:1118\nusb_reset_device+0x39b/0x9a0 drivers/usb/core/hub.c:6114\nThis turned out not to be an error in usb-storage but rather a nested\ndevice reset attempt. That is, as the rtl8712 driver was being\nunbound from a composite device in preparation for an unrelated USB\nreset (that driver does not have pre_reset or post_reset callbacks),\nits ->remove routine called usb_reset_device() -- thus nesting one\nreset call within another.\nPerforming a reset as part of disconnect processing is a questionable\npractice at best. However, the bug report points out that the USB\ncore does not have any protection against nested resets. Adding a\nreset_in_progress flag and testing it will prevent such errors in the\nfuture."], "name": "CVE-2022-49936", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49936\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49936\nhttps://lore.kernel.org/linux-cve-announce/2025061847-CVE-2022-49936-f434@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-06-23T08:36:33.995822+00:00", "updated": "2025-06-23T08:36:33.995885+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}