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{
"id": "CVE-2024-57915",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-01-19T12:15:25.673",
"lastModified": "2025-01-19T12:15:25.673",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: u_serial: Disable ep before setting port to null to fix the crash caused by port being null\n\nConsidering that in some extreme cases, when performing the\nunbinding operation, gserial_disconnect has cleared gser->ioport,\nwhich triggers gadget reconfiguration, and then calls gs_read_complete,\nresulting in access to a null pointer. Therefore, ep is disabled before\ngserial_disconnect sets port to null to prevent this from happening.\n\nCall trace:\n gs_read_complete+0x58/0x240\n usb_gadget_giveback_request+0x40/0x160\n dwc3_remove_requests+0x170/0x484\n dwc3_ep0_out_start+0xb0/0x1d4\n __dwc3_gadget_start+0x25c/0x720\n kretprobe_trampoline.cfi_jt+0x0/0x8\n kretprobe_trampoline.cfi_jt+0x0/0x8\n udc_bind_to_driver+0x1d8/0x300\n usb_gadget_probe_driver+0xa8/0x1dc\n gadget_dev_desc_UDC_store+0x13c/0x188\n configfs_write_iter+0x160/0x1f4\n vfs_write+0x2d0/0x40c\n ksys_write+0x7c/0xf0\n __arm64_sys_write+0x20/0x30\n invoke_syscall+0x60/0x150\n el0_svc_common+0x8c/0xf8\n do_el0_svc+0x28/0xa0\n el0_svc+0x24/0x84"
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/0c50f00cc29948184af05bda31392fff5821f4f3",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/13014969cbf07f18d62ceea40bd8ca8ec9d36cec",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/3d730e8758c75b68a0152ee1ac48a270ea6725b4",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/8e122d780a0f19aefd700dbd0b0e3ed3af0ae97f",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}