{"id":"CVE-2026-46109","title":"usb: ulpi: fix memory leak on ulpi_register() error paths","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 2f70ba9dae13a190673cc3f9b4aad52179738f60 < 0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c","Linux >= ee248e6e941e4f2e634df2bd43e5f1ef810ab6df < f1b855c00988a9cb41134cab7cf9faedba775dd9","Linux >= 272a9b26c336a295e4e209157fed809706c1b1f7 < 7bd61ed0bf9f4f1f2673d489b3bda1555b48d054","Linux >= aaeae6533d77e6ed4def85baec01e2815ebbef61 < b0c0d44adb55c66663886cb6e30ee92cbb0f5385","Linux >= 8763f8317bb389aded32a32b08f6751cfff657d2 < be2c1d825f54277472c87019e82013ac534ddc4c","Linux >= 38c28fe25611099230f0965c925499bfcf46a795 < 2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d","Linux >= 01af542392b5d41fd659d487015a71f627accce3 < f30ccfc2985590b33a23a3d8bed7ca16c0af551b","Linux >= 01af542392b5d41fd659d487015a71f627accce3 < 0b9fcab1b8608d429e5f239afb197de928d4de7d","Linux a6e5461f076c2ef63159f18e5cdbd30b50f0bc15","Linux >= 5.10.253 < 5.10.258","Linux >= 5.15.203 < 5.15.209","Linux >= 6.1.168 < 6.1.175","Linux >= 6.6.134 < 6.6.140","Linux >= 6.12.81 < 6.12.88","Linux >= 6.18.22 < 6.18.30","Linux >= 6.19.12 < 6.20","Linux 7.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:08:57.822611Z"},"published":"2026-05-28","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:13:38.405Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46109","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"}],"tags":["cve.org"],"epss":0.00123,"epssPercentile":0.02032,"ingestedAt":"2026-11-06T16:57:43.335Z","slug":"CVE-2026-46109","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 2f70ba9dae13a190673cc3f9b4aad52179738f60 < 0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6c`\n- `Linux >= ee248e6e941e4f2e634df2bd43e5f1ef810ab6df < f1b855c00988a9cb41134cab7cf9faedba775dd9`\n- `Linux >= 272a9b26c336a295e4e209157fed809706c1b1f7 < 7bd61ed0bf9f4f1f2673d489b3bda1555b48d054`\n- `Linux >= aaeae6533d77e6ed4def85baec01e2815ebbef61 < b0c0d44adb55c66663886cb6e30ee92cbb0f5385`\n- `Linux >= 8763f8317bb389aded32a32b08f6751cfff657d2 < be2c1d825f54277472c87019e82013ac534ddc4c`\n- `Linux >= 38c28fe25611099230f0965c925499bfcf46a795 < 2a71e01b2cf9b4329ff67102c1bea7448c2a2d2d`\n- `Linux >= 01af542392b5d41fd659d487015a71f627accce3 < f30ccfc2985590b33a23a3d8bed7ca16c0af551b`\n- `Linux >= 01af542392b5d41fd659d487015a71f627accce3 < 0b9fcab1b8608d429e5f239afb197de928d4de7d`\n- `Linux a6e5461f076c2ef63159f18e5cdbd30b50f0bc15`\n- `Linux >= 5.10.253 < 5.10.258`\n- `Linux >= 5.15.203 < 5.15.209`\n- `Linux >= 6.1.168 < 6.1.175`\n- `Linux >= 6.6.134 < 6.6.140`\n- `Linux >= 6.12.81 < 6.12.88`\n- `Linux >= 6.18.22 < 6.18.30`\n- `Linux >= 6.19.12 < 6.20`\n- `Linux 7.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}