{"cve":"CVE-2023-53048","nvd":{"published":"2025-05-02T16:15:23.897","modified":"2026-06-17T06:44:11.780","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: fix warning when handle discover_identity message\n\nSince both source and sink device can send discover_identity message in\nPD3, kernel may dump below warning:\n\n------------[ cut here ]------------\nWARNING: CPU: 0 PID: 169 at drivers/usb/typec/tcpm/tcpm.c:1446 tcpm_queue_vdm+0xe0/0xf0\nModules linked in:\nCPU: 0 PID: 169 Comm: 1-0050 Not tainted 6.1.1-00038-g6a3c36cf1da2-dirty #567\nHardware name: NXP i.MX8MPlus EVK board (DT)\npstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : tcpm_queue_vdm+0xe0/0xf0\nlr : tcpm_queue_vdm+0x2c/0xf0\nsp : ffff80000c19bcd0\nx29: ffff80000c19bcd0 x28: 0000000000000001 x27: ffff0000d11c8ab8\nx26: ffff0000d11cc000 x25: 0000000000000000 x24: 00000000ff008081\nx23: 0000000000000001 x22: 00000000ff00a081 x21: ffff80000c19bdbc\nx20: 0000000000000000 x19: ffff0000d11c8080 x18: ffffffffffffffff\nx17: 0000000000000000 x16: 0000000000000000 x15: ffff0000d716f580\nx14: 0000000000000001 x13: ffff0000d716f507 x12: 0000000000000001\nx11: 0000000000000000 x10: 0000000000000020 x9 : 00000000000ee098\nx8 : 00000000ffffffff x7 : 000000000000001c x6 : ffff0000d716f580\nx5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000\nx2 : ffff80000c19bdbc x1 : 00000000ff00a081 x0 : 0000000000000004\nCall trace:\ntcpm_queue_vdm+0xe0/0xf0\ntcpm_pd_rx_handler+0x340/0x1ab0\nkthread_worker_fn+0xcc/0x18c\nkthread+0x10c/0x110\nret_from_fork+0x10/0x20\n---[ end trace 0000000000000000 ]---\n\nBelow sequences may trigger this warning:\n\ntcpm_send_discover_work(work)\n  tcpm_send_vdm(port, USB_SID_PD, CMD_DISCOVER_IDENT, NULL, 0);\n   tcpm_queue_vdm(port, header, data, count);\n    port->vdm_state = VDM_STATE_READY;\n\nvdm_state_machine_work(work);\n\t\t\t<-- received discover_identity from partner\n vdm_run_state_machine(port);\n  port->vdm_state = VDM_STATE_SEND_MESSAGE;\n   mod_vdm_delayed_work(port, x);\n\ntcpm_pd_rx_handler(work);\n tcpm_pd_data_request(port, msg);\n  tcpm_handle_vdm_request(port, msg->payload, cnt);\n   tcpm_queue_vdm(port, response[0], &response[1], rlen - 1);\n--> WARN_ON(port->vdm_state > VDM_STATE_DONE);\n\nFor this case, the state machine could still send out discover\nidentity message later if we skip current discover_identity message.\nSo we should handle the received message firstly and override the pending\ndiscover_identity message without warning in this case. Then, a delayed\nsend_discover work will send discover_identity message again.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/abfc4fa28f0160df61c7149567da4f6494dfb488","https://git.kernel.org/stable/c/bb579b3f75c60bf488a7c36e092e8be583407d53","https://git.kernel.org/stable/c/d55ca2d2ea1a7ec553213986993fba8c0257381c","https://git.kernel.org/stable/c/e37d2c489d71e94ed4a39529bc9520a7fd983d42"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2023-53048","score":0.00202,"percentile":0.10102,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}