{ "id": "CVE-2023-52475", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-02-29T06:15:45.763", "lastModified": "2024-12-09T18:47:44.757", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: powermate - fix use-after-free in powermate_config_complete\n\nsyzbot has found a use-after-free bug [1] in the powermate driver. This\nhappens when the device is disconnected, which leads to a memory free from\nthe powermate_device struct. When an asynchronous control message\ncompletes after the kfree and its callback is invoked, the lock does not\nexist anymore and hence the bug.\n\nUse usb_kill_urb() on pm->config to cancel any in-progress requests upon\ndevice disconnection.\n\n[1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e" }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Entrada: powermate - corrige el use-after-free en powermate_config_complete syzbot ha encontrado un error de use-after-free [1] en el controlador powermate. Esto sucede cuando el dispositivo est\u00e1 desconectado, lo que genera una memoria libre de la estructura powermate_device. Cuando se completa un mensaje de control asincr\u00f3nico despu\u00e9s de que se invoca kfree y su devoluci\u00f3n de llamada, el bloqueo ya no existe y de ah\u00ed el error. Utilice usb_kill_urb() en pm->config para cancelar cualquier solicitud en curso al desconectar el dispositivo. [1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.14.328", "matchCriteriaId": "F9EC0B2A-902B-4169-85CD-C137590CC4B6" }, { "vulnerable": true, "criteria": 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