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CVE-2026-46109

usb: ulpi: fix memory leak on ulpi_register() error paths

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 5.10.253 · fixed in 5.10.258; From 5.15.203 · fixed in 5.15.209; From 6.1.168 · fixed in 6.1.175; From 6.6.134 · fixed in 6.6.140; From 6.12.81 · fixed in 6.12.88; From 6.18.22 · fixed in 6.18.30; From 6.19.12 · fixed in 6.20

  • Linux Linux

    7.0

References 8

git.kernel.org