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Description

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().

PUBLISHED Reserved 2026-03-09 | Published 2026-05-01 | Updated 2026-05-01 | Assigner Linux

Product status

Default status
unaffected

289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f (git) before 2f70ba9dae13a190673cc3f9b4aad52179738f60
affected

289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f (git) before ee248e6e941e4f2e634df2bd43e5f1ef810ab6df
affected

289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f (git) before 272a9b26c336a295e4e209157fed809706c1b1f7
affected

289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f (git) before aaeae6533d77e6ed4def85baec01e2815ebbef61
affected

289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f (git) before 8763f8317bb389aded32a32b08f6751cfff657d2
affected

289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f (git) before 38c28fe25611099230f0965c925499bfcf46a795
affected

289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f (git) before a6e5461f076c2ef63159f18e5cdbd30b50f0bc15
affected

289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f (git) before 01af542392b5d41fd659d487015a71f627accce3
affected

Default status
affected

4.2
affected

Any version before 4.2
unaffected

5.10.253 (semver)
unaffected

5.15.203 (semver)
unaffected

6.1.168 (semver)
unaffected

6.6.134 (semver)
unaffected

6.12.81 (semver)
unaffected

6.18.22 (semver)
unaffected

6.19.12 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/2f70ba9dae13a190673cc3f9b4aad52179738f60

git.kernel.org/...c/ee248e6e941e4f2e634df2bd43e5f1ef810ab6df

git.kernel.org/...c/272a9b26c336a295e4e209157fed809706c1b1f7

git.kernel.org/...c/aaeae6533d77e6ed4def85baec01e2815ebbef61

git.kernel.org/...c/8763f8317bb389aded32a32b08f6751cfff657d2

git.kernel.org/...c/38c28fe25611099230f0965c925499bfcf46a795

git.kernel.org/...c/a6e5461f076c2ef63159f18e5cdbd30b50f0bc15

git.kernel.org/...c/01af542392b5d41fd659d487015a71f627accce3

cve.org (CVE-2026-31759)

nvd.nist.gov (CVE-2026-31759)

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