CVE-2024-26715 (GCVE-0-2024-26715)
Vulnerability from cvelistv5
Published
2024-04-03 14:55
Modified
2026-05-23 15:37
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend In current scenario if Plug-out and Plug-In performed continuously there could be a chance while checking for dwc->gadget_driver in dwc3_gadget_suspend, a NULL pointer dereference may occur. Call Stack: CPU1: CPU2: gadget_unbind_driver dwc3_suspend_common dwc3_gadget_stop dwc3_gadget_suspend dwc3_disconnect_gadget CPU1 basically clears the variable and CPU2 checks the variable. Consider CPU1 is running and right before gadget_driver is cleared and in parallel CPU2 executes dwc3_gadget_suspend where it finds dwc->gadget_driver which is not NULL and resumes execution and then CPU1 completes execution. CPU2 executes dwc3_disconnect_gadget where it checks dwc->gadget_driver is already NULL because of which the NULL pointer deference occur.
References
Impacted products
Vendor Product Version
Linux Linux Version: 9772b47a4c2916d645c551228b6085ea24acbe5d
Version: 9772b47a4c2916d645c551228b6085ea24acbe5d
Version: 9772b47a4c2916d645c551228b6085ea24acbe5d
Version: 9772b47a4c2916d645c551228b6085ea24acbe5d
Version: 9772b47a4c2916d645c551228b6085ea24acbe5d
Version: 8cca5c85393a7a490d4d7942c24d73d29cc77b3e
Version: df2ca3271569367352835f981618e284fdc4ca94
Version: 3.16.81   ≤
Version: 4.4.178   ≤
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