GSD-2022-1004493 usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe
A refcount leak in the LPC32xx USB gadget driver can lead to resource exhaustion and denial of service.
- 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-2022-1004493?
GSD-2022-1004493 is a denial of service vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe
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 v5.15.49 by commit 46da1e4a8b6329479433b2a4056941dfdd7f3efd, it was introduced in version v3.5 by commit 24a28e4283510dcd58890379a42b8a7d3201d9d3. For more details please see the references link.
Which versions are affected by GSD-2022-1004493?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004493?
No fix has been published for GSD-2022-1004493 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1004493 being exploited?
There is no known exploitation of GSD-2022-1004493 in the wild and no public exploit code.