{"api_version":"1","generated_at":"2026-07-23T14:46:29+00:00","cve":"CVE-2026-46109","urls":{"html":"https://cve.report/CVE-2026-46109","api":"https://cve.report/api/cve/CVE-2026-46109.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46109","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46109"},"summary":{"title":"usb: ulpi: fix memory leak on ulpi_register() error paths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: ulpi: fix memory leak on ulpi_register() error paths\n\nCommit 01af542392b5 (\"usb: ulpi: fix double free in\nulpi_register_interface() error path\") removed kfree(ulpi) from\nulpi_register_interface() to fix a double-free when device_register()\nfails.\n\nBut when ulpi_of_register() or ulpi_read_id() fail before\ndevice_register() is called, the ulpi allocation is leaked.\n\nAdd kfree(ulpi) on both error paths to properly clean up the 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18:31:16"},"problem_types":["CWE-401"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/f1b855c00988a9cb41134cab7cf9faedba775dd9","name":"https://git.kernel.org/stable/c/f1b855c00988a9cb41134cab7cf9faedba775dd9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7bd61ed0bf9f4f1f2673d489b3bda1555b48d054","name":"https://git.kernel.org/stable/c/7bd61ed0bf9f4f1f2673d489b3bda1555b48d054","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b0c0d44adb55c66663886cb6e30ee92cbb0f5385","name":"https://git.kernel.org/stable/c/b0c0d44adb55c66663886cb6e30ee92cbb0f5385","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d","name":"https://git.kernel.org/stable/c/2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c","name":"https://git.kernel.org/stable/c/0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0b9fcab1b8608d429e5f239afb197de928d4de7d","name":"https://git.kernel.org/stable/c/0b9fcab1b8608d429e5f239afb197de928d4de7d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f30ccfc2985590b33a23a3d8bed7ca16c0af551b","name":"https://git.kernel.org/stable/c/f30ccfc2985590b33a23a3d8bed7ca16c0af551b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/be2c1d825f54277472c87019e82013ac534ddc4c","name":"https://git.kernel.org/stable/c/be2c1d825f54277472c87019e82013ac534ddc4c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46109","name":"CVE 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the Linux kernel, the following vulnerability has been resolved:\n\nusb: ulpi: fix memory leak on ulpi_register() error paths\n\nCommit 01af542392b5 (\"usb: ulpi: fix double free in\nulpi_register_interface() error path\") removed kfree(ulpi) from\nulpi_register_interface() to fix a double-free when device_register()\nfails.\n\nBut when ulpi_of_register() or ulpi_read_id() fail before\ndevice_register() is called, the ulpi allocation is leaked.\n\nAdd kfree(ulpi) on both error paths to properly clean up the allocation."}],"providerMetadata":{"dateUpdated":"2026-06-14T17:55:07.015Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c"},{"url":"https://git.kernel.org/stable/c/f1b855c00988a9cb41134cab7cf9faedba775dd9"},{"url":"https://git.kernel.org/stable/c/7bd61ed0bf9f4f1f2673d489b3bda1555b48d054"},{"url":"https://git.kernel.org/stable/c/b0c0d44adb55c66663886cb6e30ee92cbb0f5385"},{"url":"https://git.kernel.org/stable/c/be2c1d825f54277472c87019e82013ac534ddc4c"},{"url":"https://git.kernel.org/stable/c/2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d"},{"url":"https://git.kernel.org/stable/c/f30ccfc2985590b33a23a3d8bed7ca16c0af551b"},{"url":"https://git.kernel.org/stable/c/0b9fcab1b8608d429e5f239afb197de928d4de7d"}],"title":"usb: ulpi: fix memory leak on ulpi_register() error 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ulpi: fix memory leak on ulpi_register() error paths","CVE":"CVE-2026-46109","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46109","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: ulpi: fix memory leak on ulpi_register() error paths\n\nCommit 01af542392b5 (\"usb: ulpi: fix double free in\nulpi_register_interface() error path\") removed kfree(ulpi) from\nulpi_register_interface() to fix a double-free when device_register()\nfails.\n\nBut when ulpi_of_register() or ulpi_read_id() fail before\ndevice_register() is called, the ulpi allocation is leaked.\n\nAdd kfree(ulpi) on both error paths to properly clean up the allocation.","Type":"Description","Title":"usb: ulpi: fix memory leak on ulpi_register() error paths"}]}}}