{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49299", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.534Z", "datePublished": "2025-02-26T02:10:34.977Z", "dateUpdated": "2025-05-16T07:23:26.006Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-16T07:23:26.006Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc2: gadget: don't reset gadget's driver->bus\n\nUDC driver should not touch gadget's driver internals, especially it\nshould not reset driver->bus. This wasn't harmful so far, but since\ncommit fc274c1e9973 (\"USB: gadget: Add a new bus for gadgets\") gadget\nsubsystem got it's own bus and messing with ->bus triggers the\nfollowing NULL pointer dereference:\n\ndwc2 12480000.hsotg: bound driver g_ether\n8<--- cut here ---\nUnable to handle kernel NULL pointer dereference at virtual address 00000000\n[00000000] *pgd=00000000\nInternal error: Oops: 5 [#1] SMP ARM\nModules linked in: ...\nCPU: 0 PID: 620 Comm: modprobe Not tainted 5.18.0-rc5-next-20220504 #11862\nHardware name: Samsung Exynos (Flattened Device Tree)\nPC is at module_add_driver+0x44/0xe8\nLR is at sysfs_do_create_link_sd+0x84/0xe0\n...\nProcess modprobe (pid: 620, stack limit = 0x(ptrval))\n...\n module_add_driver from bus_add_driver+0xf4/0x1e4\n bus_add_driver from driver_register+0x78/0x10c\n driver_register from usb_gadget_register_driver_owner+0x40/0xb4\n usb_gadget_register_driver_owner from do_one_initcall+0x44/0x1e0\n do_one_initcall from do_init_module+0x44/0x1c8\n do_init_module from load_module+0x19b8/0x1b9c\n load_module from sys_finit_module+0xdc/0xfc\n sys_finit_module from ret_fast_syscall+0x0/0x54\nException stack(0xf1771fa8 to 0xf1771ff0)\n...\ndwc2 12480000.hsotg: new device is high-speed\n---[ end trace 0000000000000000 ]---\n\nFix this by removing driver->bus entry reset."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/dwc2/gadget.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "5127c0f365265bb69cd776ad6e4b872c309f3fa8", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "efb15ff4a77fe053c941281775fefa91c87770e0", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "bee8f9808a7e82addfc73a0973b16a8bb684205b", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d232ca0bbc7d03144bad0ffd1792c3352bfd03fa", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "5b0c0298f7c3b57417f1729ec4071f76864b72dd", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "547ebdc200b862dff761ff4890f66d8217c33316", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "172cfc167c8ee6238f24f9c16efd598602af643c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d2159feb9d28ce496d77df98313ab454646372ac", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "3120aac6d0ecd9accf56894aeac0e265f74d3d5a", "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/dwc2/gadget.c"], "versions": [{"version": "4.9.318", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.283", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.247", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.198", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.122", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.47", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.15", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.4", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.9.318"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.14.283"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.19.247"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.4.198"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.122"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.17.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.18.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5127c0f365265bb69cd776ad6e4b872c309f3fa8"}, {"url": "https://git.kernel.org/stable/c/efb15ff4a77fe053c941281775fefa91c87770e0"}, {"url": "https://git.kernel.org/stable/c/bee8f9808a7e82addfc73a0973b16a8bb684205b"}, {"url": "https://git.kernel.org/stable/c/d232ca0bbc7d03144bad0ffd1792c3352bfd03fa"}, {"url": "https://git.kernel.org/stable/c/5b0c0298f7c3b57417f1729ec4071f76864b72dd"}, {"url": "https://git.kernel.org/stable/c/547ebdc200b862dff761ff4890f66d8217c33316"}, {"url": "https://git.kernel.org/stable/c/172cfc167c8ee6238f24f9c16efd598602af643c"}, {"url": "https://git.kernel.org/stable/c/d2159feb9d28ce496d77df98313ab454646372ac"}, {"url": "https://git.kernel.org/stable/c/3120aac6d0ecd9accf56894aeac0e265f74d3d5a"}], "title": "usb: dwc2: gadget: don't reset gadget's driver->bus", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0D4D4067-974D-4560-8320-22FDA399E3F9", "versionEndExcluding": "4.9.318", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D6823775-2653-4644-A0D4-4E6E68F10C65", "versionEndExcluding": "4.14.283", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B8CFA0F4-2D75-41F4-9753-87944A08B53B", "versionEndExcluding": "4.19.247", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3EC49633-14DE-4EBD-BB80-76AE2E3EABB9", "versionEndExcluding": "5.4.198", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1B42AA01-44D8-4572-95E6-FF8E374CF9C5", "versionEndExcluding": "5.10.122", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FC042EE3-4864-4325-BE0B-4BCDBF11AA61", "versionEndExcluding": "5.15.47", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "53E7AA2E-2FB4-45CA-A22B-08B4EDBB51AD", "versionEndExcluding": "5.17.15", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA6D643C-6D6A-4821-8A8D-B5776B8F0103", "versionEndExcluding": "5.18.4", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc2: gadget: don't reset gadget's driver->bus\n\nUDC driver should not touch gadget's driver internals, especially it\nshould not reset driver->bus. This wasn't harmful so far, but since\ncommit fc274c1e9973 (\"USB: gadget: Add a new bus for gadgets\") gadget\nsubsystem got it's own bus and messing with ->bus triggers the\nfollowing NULL pointer dereference:\n\ndwc2 12480000.hsotg: bound driver g_ether\n8<--- cut here ---\nUnable to handle kernel NULL pointer dereference at virtual address 00000000\n[00000000] *pgd=00000000\nInternal error: Oops: 5 [#1] SMP ARM\nModules linked in: ...\nCPU: 0 PID: 620 Comm: modprobe Not tainted 5.18.0-rc5-next-20220504 #11862\nHardware name: Samsung Exynos (Flattened Device Tree)\nPC is at module_add_driver+0x44/0xe8\nLR is at sysfs_do_create_link_sd+0x84/0xe0\n...\nProcess modprobe (pid: 620, stack limit = 0x(ptrval))\n...\n module_add_driver from bus_add_driver+0xf4/0x1e4\n bus_add_driver from driver_register+0x78/0x10c\n driver_register from usb_gadget_register_driver_owner+0x40/0xb4\n usb_gadget_register_driver_owner from do_one_initcall+0x44/0x1e0\n do_one_initcall from do_init_module+0x44/0x1c8\n do_init_module from load_module+0x19b8/0x1b9c\n load_module from sys_finit_module+0xdc/0xfc\n sys_finit_module from ret_fast_syscall+0x0/0x54\nException stack(0xf1771fa8 to 0xf1771ff0)\n...\ndwc2 12480000.hsotg: new device is high-speed\n---[ end trace 0000000000000000 ]---\n\nFix this by removing driver->bus entry reset."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: dwc2: gadget: no restablezca el controlador UDC del bus del gadget-&gt;controlador no debe tocar los componentes internos del controlador del gadget, especialmente no debe restablecer el controlador UDC del bus del gadget-&gt;controlador. Esto no fue da\u00f1ino hasta ahora, pero desde el commit fc274c1e9973 (\"USB: gadget: Agregar un nuevo bus para gadgets\") el subsistema de gadget tiene su propio bus y jugar con -&gt;bus desencadena la siguiente desreferencia de puntero NULL: dwc2 12480000.hsotg: controlador vinculado g_ether 8&lt;--- corte aqu\u00ed --- No se puede manejar la desreferencia de puntero NULL del kernel en la direcci\u00f3n virtual 00000000 [00000000] *pgd=00000000 Error interno: Oops: 5 [#1] M\u00f3dulos SMP ARM vinculados en: ... CPU: 0 PID: 620 Comm: modprobe No contaminado 5.18.0-rc5-next-20220504 #11862 Nombre del hardware: Samsung Exynos (\u00e1rbol de dispositivos aplanado) La PC est\u00e1 en module_add_driver+0x44/0xe8 LR est\u00e1 en sysfs_do_create_link_sd+0x84/0xe0 ... Procesar modprobe (pid: 620, l\u00edmite de pila = 0x(ptrval)) ... module_add_driver desde bus_add_driver+0xf4/0x1e4 bus_add_driver desde driver_register+0x78/0x10c driver_register desde usb_gadget_register_driver_owner+0x40/0xb4 usb_gadget_register_driver_owner desde do_one_initcall+0x44/0x1e0 do_one_initcall desde do_init_module+0x44/0x1c8 do_init_module desde load_module+0x19b8/0x1b9c load_module desde sys_finit_module+0xdc/0xfc sys_finit_module de ret_fast_syscall+0x0/0x54 Pila de excepciones (0xf1771fa8 a 0xf1771ff0) ... dwc2 12480000.hsotg: el nuevo dispositivo es de alta velocidad ---[ fin de seguimiento 000000000000000 ]--- Solucione esto eliminando el restablecimiento de la entrada del bus del controlador."}], "id": "CVE-2022-49299", "lastModified": "2025-04-14T19:49:30.960", "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": "[email protected]", "type": "Primary"}]}, "published": "2025-02-26T07:01:06.727", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/172cfc167c8ee6238f24f9c16efd598602af643c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3120aac6d0ecd9accf56894aeac0e265f74d3d5a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5127c0f365265bb69cd776ad6e4b872c309f3fa8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/547ebdc200b862dff761ff4890f66d8217c33316"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5b0c0298f7c3b57417f1729ec4071f76864b72dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bee8f9808a7e82addfc73a0973b16a8bb684205b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d2159feb9d28ce496d77df98313ab454646372ac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d232ca0bbc7d03144bad0ffd1792c3352bfd03fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/efb15ff4a77fe053c941281775fefa91c87770e0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: usb: dwc2: gadget: don't reset gadget's driver->bus", "id": "2348246", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348246"}, "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"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: dwc2: gadget: don't reset gadget's driver->bus\nUDC driver should not touch gadget's driver internals, especially it\nshould not reset driver->bus. This wasn't harmful so far, but since\ncommit fc274c1e9973 (\"USB: gadget: Add a new bus for gadgets\") gadget\nsubsystem got it's own bus and messing with ->bus triggers the\nfollowing NULL pointer dereference:\ndwc2 12480000.hsotg: bound driver g_ether\n8<--- cut here ---\nUnable to handle kernel NULL pointer dereference at virtual address 00000000\n[00000000] *pgd=00000000\nInternal error: Oops: 5 [#1] SMP ARM\nModules linked in: ...\nCPU: 0 PID: 620 Comm: modprobe Not tainted 5.18.0-rc5-next-20220504 #11862\nHardware name: Samsung Exynos (Flattened Device Tree)\nPC is at module_add_driver+0x44/0xe8\nLR is at sysfs_do_create_link_sd+0x84/0xe0\n...\nProcess modprobe (pid: 620, stack limit = 0x(ptrval))\n...\nmodule_add_driver from bus_add_driver+0xf4/0x1e4\nbus_add_driver from driver_register+0x78/0x10c\ndriver_register from usb_gadget_register_driver_owner+0x40/0xb4\nusb_gadget_register_driver_owner from do_one_initcall+0x44/0x1e0\ndo_one_initcall from do_init_module+0x44/0x1c8\ndo_init_module from load_module+0x19b8/0x1b9c\nload_module from sys_finit_module+0xdc/0xfc\nsys_finit_module from ret_fast_syscall+0x0/0x54\nException stack(0xf1771fa8 to 0xf1771ff0)\n...\ndwc2 12480000.hsotg: new device is high-speed\n---[ end trace 0000000000000000 ]---\nFix this by removing driver->bus entry reset."], "name": "CVE-2022-49299", "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49299\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49299\nhttps://lore.kernel.org/linux-cve-announce/2025022634-CVE-2022-49299-6304@gregkh/T"], "threat_severity": "Moderate"}