{"id":"CVE-2023-53048","state":"PUBLISHED","title":"usb: typec: tcpm: fix warning when handle discover_identity message","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.","publishedAt":"2025-05-02T15:55:04.815Z","updatedAt":"2026-05-11T19:37:33.416Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e00943e916782ae17ca05d654779a84f09481ab8","status":"affected","lessThan":"bb579b3f75c60bf488a7c36e092e8be583407d53","versionType":"git"},{"version":"e00943e916782ae17ca05d654779a84f09481ab8","status":"affected","lessThan":"d55ca2d2ea1a7ec553213986993fba8c0257381c","versionType":"git"},{"version":"e00943e916782ae17ca05d654779a84f09481ab8","status":"affected","lessThan":"e37d2c489d71e94ed4a39529bc9520a7fd983d42","versionType":"git"},{"version":"e00943e916782ae17ca05d654779a84f09481ab8","status":"affected","lessThan":"abfc4fa28f0160df61c7149567da4f6494dfb488","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/tcpm/tcpm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.105","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.22","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/tcpm/tcpm.c"]}],"references":["https://git.kernel.org/stable/c/bb579b3f75c60bf488a7c36e092e8be583407d53","https://git.kernel.org/stable/c/d55ca2d2ea1a7ec553213986993fba8c0257381c","https://git.kernel.org/stable/c/e37d2c489d71e94ed4a39529bc9520a7fd983d42","https://git.kernel.org/stable/c/abfc4fa28f0160df61c7149567da4f6494dfb488"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53048.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53048","state":"PUBLISHED","datePublished":"2025-05-02T15:55:04.815Z","dateUpdated":"2026-05-11T19:37:33.416Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:18:43.828Z"},"containers":{"cna":{"title":"usb: typec: tcpm: fix warning when handle discover_identity message","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e00943e916782ae17ca05d654779a84f09481ab8","status":"affected","lessThan":"bb579b3f75c60bf488a7c36e092e8be583407d53","versionType":"git"},{"version":"e00943e916782ae17ca05d654779a84f09481ab8","status":"affected","lessThan":"d55ca2d2ea1a7ec553213986993fba8c0257381c","versionType":"git"},{"version":"e00943e916782ae17ca05d654779a84f09481ab8","status":"affected","lessThan":"e37d2c489d71e94ed4a39529bc9520a7fd983d42","versionType":"git"},{"version":"e00943e916782ae17ca05d654779a84f09481ab8","status":"affected","lessThan":"abfc4fa28f0160df61c7149567da4f6494dfb488","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/tcpm/tcpm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.105","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.22","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/tcpm/tcpm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bb579b3f75c60bf488a7c36e092e8be583407d53"},{"url":"https://git.kernel.org/stable/c/d55ca2d2ea1a7ec553213986993fba8c0257381c"},{"url":"https://git.kernel.org/stable/c/e37d2c489d71e94ed4a39529bc9520a7fd983d42"},{"url":"https://git.kernel.org/stable/c/abfc4fa28f0160df61c7149567da4f6494dfb488"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:37:33.416Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}