GSD-2022-1006063 usbnet: Fix linkwatch use-after-free on disconnect
A use-after-free vulnerability in the Linux kernel's usbnet driver allows local attackers to cause a denial of service or potentially execute code via physical USB access.
- 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-2022-1006063?
GSD-2022-1006063 is an use after free vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
usbnet: Fix linkwatch use-after-free on disconnect
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 v5.4.211 by commit 8b4588b8b00b299be16a35be67b331d8fdba03f3. For more details please see the references link.
Which versions are affected by GSD-2022-1006063?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006063?
No fix has been published for GSD-2022-1006063 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1006063 being exploited?
There is no known exploitation of GSD-2022-1006063 in the wild and no public exploit code.