UNKNOWN NVD
CVE-2026-90028
In the Linux kernel, the following vulnerability has been resolved: usb: typec: hd3ss3220: track VBUS enable state per consumer regulator_is_enabled() reports
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: hd3ss3220: track VBUS enable state per consumer
regulator_is_enabled() reports the aggregate regulator state, not
whether this consumer holds an enable reference. If another consumer
enables VBUS first, the driver can skip its own regulator_enable() call
and later attempt to drop a reference it never acquired, triggering an
unbalanced regulator disable warning.
Track successful enable and disable calls locally. Keep the state
unchanged when an operation fails so a later role or ID notification
retries the operation while this consumer keeps balanced references.
References
- https://git.kernel.org/stable/c/c9a48db776d7184981630ecc01a3ad30a8f7dc24
- https://git.kernel.org/stable/c/df7cd3908e07503fa7e9737dacf44208530e58d9
This unknown severity vulnerability was published on 2026-09-16 via NVD.
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