GSD-2021-1000954 usb: dwc3: gadget: Bail from dwc3_gadget_exit() if dwc->gadget is NULL
A null pointer dereference in the Linux Kernel DWC3 USB gadget driver can cause a system crash during device exit.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000954?
GSD-2021-1000954 is a vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
usb: dwc3: gadget: Bail from dwc3_gadget_exit() if dwc->gadget is NULL
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.44 by commit 851dee5a5da56564a70290713aee665403bb0b24, it was introduced in version v5.10 by commit e81a7018d93a7de31a3f121c9a7eecd0a5ec58b0. For more details please see the references link.
Which versions are affected by GSD-2021-1000954?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000954?
No fix has been published for GSD-2021-1000954 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000954 being exploited?
There is no known exploitation of GSD-2021-1000954 in the wild and no public exploit code.