CVE-2026-46109In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix memory leak on ulpi_register() error paths Commit 01af542392b5 ("usb: ulpi: fix double free in ulpi_register_interfa…
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In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix memory leak on ulpi_register() error paths Commit 01af542392b5 ("usb: ulpi: fix double free in ulpi_register_interface() error path") removed kfree(ulpi) from ulpi_register_interface() to fix a double-free when device_register() fails. But when ulpi_of_register() or ulpi_read_id() fail before device_register() is called, the ulpi allocation is leaked. Add kfree(ulpi) on both error paths to properly clean up the allocation.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-401
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Undergoing Analysis
- Record last updated
- Jun 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 5.10.253 before 5.10.258; from 5.15.203 before 5.15.209; from 6.1.168 before 6.1.175; from 6.6.134 before 6.6.140; from 6.12.81 before 6.12.88; from 6.18.22 before 6.18.30; from 6.19.12 before 7.0; from 7.0.1 before 7.0.7; and 4 more ranges | NVD |
References
- https://git.kernel.org/stable/c/0b9fcab1b8608d429e5f239afb197de928d4de7dpatch
- https://git.kernel.org/stable/c/0c2c0c6820fe96fa4be0a0499f8d3f3321b9af6cpatch
- https://git.kernel.org/stable/c/2a71e01b2cf9b4329ff67102c1bea7448c2a2d2dpatch
- https://git.kernel.org/stable/c/7bd61ed0bf9f4f1f2673d489b3bda1555b48d054patch
- https://git.kernel.org/stable/c/b0c0d44adb55c66663886cb6e30ee92cbb0f5385patch
- https://git.kernel.org/stable/c/be2c1d825f54277472c87019e82013ac534ddc4cpatch
- https://git.kernel.org/stable/c/f1b855c00988a9cb41134cab7cf9faedba775dd9patch
- https://git.kernel.org/stable/c/f30ccfc2985590b33a23a3d8bed7ca16c0af551bpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.