cve-2023-52475
Vulnerability from cvelistv5
Published
2024-02-29 05:43
Modified
2024-09-11 17:33
Severity
Summary
Input: powermate - fix use-after-free in powermate_config_complete
References
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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-\u003econfig to cancel any in-progress requests upon\ndevice disconnection.\n\n[1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e" } ], "providerMetadata": { "dateUpdated": "2024-05-29T05:12:30.092Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/8677575c4f39d65bf0d719b5d20e8042e550ccb9" }, { "url": "https://git.kernel.org/stable/c/67cace72606baf1758fd60feb358f4c6be92e1cc" }, { "url": "https://git.kernel.org/stable/c/5aa514100aaf59868d745196258269a16737c7bd" }, { "url": "https://git.kernel.org/stable/c/cd2fbfd8b922b7fdd50732e47d797754ab59cb06" }, { "url": "https://git.kernel.org/stable/c/6a4a396386404e62fb59bc3bde48871a64a82b4f" }, { "url": "https://git.kernel.org/stable/c/2efe67c581a2a6122b328d4bb6f21b3f36f40d46" }, { "url": "https://git.kernel.org/stable/c/e528b1b9d60743e0b26224e3fe7aa74c24b8b2f8" }, { "url": "https://git.kernel.org/stable/c/5c15c60e7be615f05a45cd905093a54b11f461bc" } ], "title": "Input: powermate - fix use-after-free in powermate_config_complete", "x_generator": { "engine": "bippy-a5840b7849dd" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2023-52475", "datePublished": "2024-02-29T05:43:08.838Z", "dateReserved": "2024-02-20T12:30:33.298Z", "dateUpdated": "2024-09-11T17:33:52.563Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-52475\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-29T06:15:45.763\",\"lastModified\":\"2024-02-29T13:49:29.390\",\"vulnStatus\":\"Awaiting Analysis\",\"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-\u003econfig 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-\u0026gt;config para cancelar cualquier solicitud en curso al desconectar el dispositivo. [1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2efe67c581a2a6122b328d4bb6f21b3f36f40d46\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5aa514100aaf59868d745196258269a16737c7bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5c15c60e7be615f05a45cd905093a54b11f461bc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/67cace72606baf1758fd60feb358f4c6be92e1cc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6a4a396386404e62fb59bc3bde48871a64a82b4f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8677575c4f39d65bf0d719b5d20e8042e550ccb9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cd2fbfd8b922b7fdd50732e47d797754ab59cb06\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e528b1b9d60743e0b26224e3fe7aa74c24b8b2f8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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