VYPR
Unrated severityNVD Advisory· Published May 2, 2025· Updated May 4, 2025

usb: ucsi: Fix NULL pointer deref in ucsi_connector_change()

CVE-2023-53049

Description

In the Linux kernel, the following vulnerability has been resolved:

usb: ucsi: Fix NULL pointer deref in ucsi_connector_change()

When ucsi_init() fails, ucsi->connector is NULL, yet in case of ucsi_acpi we may still get events which cause the ucs_acpi code to call ucsi_connector_change(), which then derefs the NULL ucsi->connector pointer.

Fix this by not setting ucsi->ntfy inside ucsi_init() until ucsi_init() has succeeded, so that ucsi_connector_change() ignores the events because UCSI_ENABLE_NTFY_CONNECTOR_CHANGE is not set in the ntfy mask.

Affected products

85

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

5

News mentions

0

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