CVE-2026-31759None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix double free in ulpi_register_interface() error path When device_register() fails, ulpi_register() calls put_device() on ulpi->dev. The device release c…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
usb: ulpi: fix double free in ulpi_register_interface() error path
When device_register() fails, ulpi_register() calls put_device() on ulpi->dev.
The device release callback ulpi_dev_release() drops the OF node reference and frees ulpi, but the current error path in ulpi_register_interface() then calls kfree(ulpi) again, causing a double free.
Let put_device() handle the cleanup through ulpi_dev_release() and avoid freeing ulpi again in ulpi_register_interface().
Linux >= 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f < 2f70ba9dae13a190673cc3f9b4aad52179738f60Linux >= 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f < ee248e6e941e4f2e634df2bd43e5f1ef810ab6dfLinux >= 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f < 272a9b26c336a295e4e209157fed809706c1b1f7Linux >= 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f < aaeae6533d77e6ed4def85baec01e2815ebbef61Linux >= 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f < 8763f8317bb389aded32a32b08f6751cfff657d2Linux >= 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f < 38c28fe25611099230f0965c925499bfcf46a795Linux >= 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f < a6e5461f076c2ef63159f18e5cdbd30b50f0bc15Linux >= 289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f < 01af542392b5d41fd659d487015a71f627accce3Linux 4.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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