{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38134", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.987Z", "datePublished": "2025-07-03T08:35:37.674Z", "dateUpdated": "2025-07-28T04:13:10.210Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-07-28T04:13:10.210Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: acpi: Prevent null pointer dereference in usb_acpi_add_usb4_devlink()\n\nAs demonstrated by the fix for update_port_device_state,\ncommit 12783c0b9e2c (\"usb: core: Prevent null pointer dereference in update_port_device_state\"),\nusb_hub_to_struct_hub() can return NULL in certain scenarios,\nsuch as during hub driver unbind or teardown race conditions,\neven if the underlying usb_device structure exists.\n\nPlus, all other places that call usb_hub_to_struct_hub() in the same file\ndo check for NULL return values.\n\nIf usb_hub_to_struct_hub() returns NULL, the subsequent access to\nhub->ports[udev->portnum - 1] will cause a null pointer dereference."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/core/usb-acpi.c"], "versions": [{"version": "f1bfb4a6fed64de1771b43a76631942279851744", "lessThan": "8fa544bff8466062e42949c93f3e528f4be5624b", "status": "affected", "versionType": "git"}, {"version": "f1bfb4a6fed64de1771b43a76631942279851744", "lessThan": "e3d530173b70514d4390a94f9f979acad689b70a", "status": "affected", "versionType": "git"}, {"version": "f1bfb4a6fed64de1771b43a76631942279851744", "lessThan": "73fb0ec9436ae87bcae067ce35d6cdd72bade86c", "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/usb-acpi.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.34", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.3", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "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": "6.12", "versionEndExcluding": "6.12.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.15.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8fa544bff8466062e42949c93f3e528f4be5624b"}, {"url": "https://git.kernel.org/stable/c/e3d530173b70514d4390a94f9f979acad689b70a"}, {"url": "https://git.kernel.org/stable/c/73fb0ec9436ae87bcae067ce35d6cdd72bade86c"}], "title": "usb: acpi: Prevent null pointer dereference in usb_acpi_add_usb4_devlink()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D349613A-2E37-4539-B97E-D97F5D92A03C", "versionEndExcluding": "6.12.34", "versionStartIncluding": "6.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0541C761-BD5E-4C1A-8432-83B375D7EB92", "versionEndExcluding": "6.15.3", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: acpi: Prevent null pointer dereference in usb_acpi_add_usb4_devlink()\n\nAs demonstrated by the fix for update_port_device_state,\ncommit 12783c0b9e2c (\"usb: core: Prevent null pointer dereference in update_port_device_state\"),\nusb_hub_to_struct_hub() can return NULL in certain scenarios,\nsuch as during hub driver unbind or teardown race conditions,\neven if the underlying usb_device structure exists.\n\nPlus, all other places that call usb_hub_to_struct_hub() in the same file\ndo check for NULL return values.\n\nIf usb_hub_to_struct_hub() returns NULL, the subsequent access to\nhub->ports[udev->portnum - 1] will cause a null pointer dereference."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: acpi: Evitar la desreferencia de puntero nulo en usb_acpi_add_usb4_devlink(). Como se demuestra en la correcci\u00f3n para update_port_device_state, commit 12783c0b9e2c (\"usb: core: Evitar la desreferencia de puntero nulo en update_port_device_state\"), usb_hub_to_struct_hub() puede devolver NULL en ciertos escenarios, como durante la desvinculaci\u00f3n del controlador del concentrador o en condiciones de ejecuciones de desmontaje, incluso si la estructura usb_device subyacente existe. Adem\u00e1s, todos los dem\u00e1s lugares que llaman a usb_hub_to_struct_hub() en el mismo archivo comprueban si hay valores de retorno NULL. Si usb_hub_to_struct_hub() devuelve NULL, el acceso posterior a hub->ports[udev->portnum - 1] provocar\u00e1 una desreferencia de puntero nulo."}], "id": "CVE-2025-38134", "lastModified": "2025-11-20T20:11:42.340", "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": "2025-07-03T09:15:27.837", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/73fb0ec9436ae87bcae067ce35d6cdd72bade86c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8fa544bff8466062e42949c93f3e528f4be5624b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e3d530173b70514d4390a94f9f979acad689b70a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: usb: acpi: Prevent null pointer dereference in usb_acpi_add_usb4_devlink()", "id": "2376071", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376071"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: acpi: Prevent null pointer dereference in usb_acpi_add_usb4_devlink()\nAs demonstrated by the fix for update_port_device_state,\ncommit 12783c0b9e2c (\"usb: core: Prevent null pointer dereference in update_port_device_state\"),\nusb_hub_to_struct_hub() can return NULL in certain scenarios,\nsuch as during hub driver unbind or teardown race conditions,\neven if the underlying usb_device structure exists.\nPlus, all other places that call usb_hub_to_struct_hub() in the same file\ndo check for NULL return values.\nIf usb_hub_to_struct_hub() returns NULL, the subsequent access to\nhub->ports[udev->portnum - 1] will cause a null pointer dereference."], "name": "CVE-2025-38134", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38134\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38134\nhttps://lore.kernel.org/linux-cve-announce/2025070331-CVE-2025-38134-cbff@gregkh/T"], "threat_severity": "Moderate"}