GSD-2022-1006209 tty: serial: Fix refcount leak bug in ucc_uart.c
A refcount leak in the Linux kernel's ucc_uart serial 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-2022-1006209?
GSD-2022-1006209 is a denial of service 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
tty: serial: Fix refcount leak bug in ucc_uart.c
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 v4.14.291 by commit ec56f886f3bf0f15f7a3844d4c025e165b8e8de7. For more details please see the references link.
Which versions are affected by GSD-2022-1006209?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006209?
No fix has been published for GSD-2022-1006209 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-2022-1006209 being exploited?
There is no known exploitation of GSD-2022-1006209 in the wild and no public exploit code.