{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-21838", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.777Z", "datePublished": "2025-03-07T09:09:57.515Z", "dateUpdated": "2025-05-04T07:22:17.406Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:22:17.406Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: core: flush gadget workqueue after device removal\n\ndevice_del() can lead to new work being scheduled in gadget->work\nworkqueue. This is observed, for example, with the dwc3 driver with the\nfollowing call stack:\n device_del()\n gadget_unbind_driver()\n usb_gadget_disconnect_locked()\n dwc3_gadget_pullup()\n\t dwc3_gadget_soft_disconnect()\n\t usb_gadget_set_state()\n\t schedule_work(&gadget->work)\n\nMove flush_work() after device_del() to ensure the workqueue is cleaned\nup."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/gadget/udc/core.c"], "versions": [{"version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15", "lessThan": "e3bc1a9a67ce33a2e761e6e7b7c2afc6cb9b7266", "status": "affected", "versionType": "git"}, {"version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15", "lessThan": "859cb45aefa6de823b2fa7f229fe6d9562c9f3b7", "status": "affected", "versionType": "git"}, {"version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15", "lessThan": "f894448f3904d7ad66fecef8f01fe0172629e091", "status": "affected", "versionType": "git"}, {"version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15", "lessThan": "97695b5a1b5467a4f91194db12160f56da445dfe", "status": "affected", "versionType": "git"}, {"version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15", "lessThan": "399a45e5237ca14037120b1b895bd38a3b4492ea", "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/gadget/udc/core.c"], "versions": [{"version": "3.12", "status": "affected"}, {"version": "0", "lessThan": "3.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.130", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.80", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.16", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.4", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "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": "3.12", "versionEndExcluding": "6.1.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "6.6.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "6.12.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "6.13.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e3bc1a9a67ce33a2e761e6e7b7c2afc6cb9b7266"}, {"url": "https://git.kernel.org/stable/c/859cb45aefa6de823b2fa7f229fe6d9562c9f3b7"}, {"url": "https://git.kernel.org/stable/c/f894448f3904d7ad66fecef8f01fe0172629e091"}, {"url": "https://git.kernel.org/stable/c/97695b5a1b5467a4f91194db12160f56da445dfe"}, {"url": "https://git.kernel.org/stable/c/399a45e5237ca14037120b1b895bd38a3b4492ea"}], "title": "usb: gadget: core: flush gadget workqueue after device removal", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: core: flush gadget workqueue after device removal\n\ndevice_del() can lead to new work being scheduled in gadget->work\nworkqueue. This is observed, for example, with the dwc3 driver with the\nfollowing call stack:\n device_del()\n gadget_unbind_driver()\n usb_gadget_disconnect_locked()\n dwc3_gadget_pullup()\n\t dwc3_gadget_soft_disconnect()\n\t usb_gadget_set_state()\n\t schedule_work(&gadget->work)\n\nMove flush_work() after device_del() to ensure the workqueue is cleaned\nup."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: gadget: core: vaciar la cola de trabajo de gadget despu\u00e9s de la eliminaci\u00f3n del dispositivo device_del() puede provocar que se programe un nuevo trabajo en la cola de trabajo gadget->work. Esto se observa, por ejemplo, con el controlador dwc3 con la siguiente pila de llamadas: device_del() gadget_unbind_driver() usb_gadget_disconnect_locked() dwc3_gadget_pullup() dwc3_gadget_soft_disconnect() usb_gadget_set_state() schedule_work(&gadget->work) Mueva flush_work() despu\u00e9s de device_del() para garantizar que se limpie la cola de trabajo."}], "id": "CVE-2025-21838", "lastModified": "2025-03-07T18:15:47.713", "metrics": {}, "published": "2025-03-07T09:15:16.810", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/399a45e5237ca14037120b1b895bd38a3b4492ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/859cb45aefa6de823b2fa7f229fe6d9562c9f3b7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/97695b5a1b5467a4f91194db12160f56da445dfe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e3bc1a9a67ce33a2e761e6e7b7c2afc6cb9b7266"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f894448f3904d7ad66fecef8f01fe0172629e091"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: usb: gadget: core: flush gadget workqueue after device removal", "id": "2350582", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2350582"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: gadget: core: flush gadget workqueue after device removal\ndevice_del() can lead to new work being scheduled in gadget->work\nworkqueue. This is observed, for example, with the dwc3 driver with the\nfollowing call stack:\ndevice_del()\ngadget_unbind_driver()\nusb_gadget_disconnect_locked()\ndwc3_gadget_pullup()\ndwc3_gadget_soft_disconnect()\nusb_gadget_set_state()\nschedule_work(&gadget->work)\nMove flush_work() after device_del() to ensure the workqueue is cleaned\nup."], "name": "CVE-2025-21838", "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": "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": "2025-03-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21838\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21838\nhttps://lore.kernel.org/linux-cve-announce/2025030706-CVE-2025-21838-5ade@gregkh/T"], "threat_severity": "Moderate"}