GSD-2022-1004155 serial: 8250: Fix PM usage_count for console handover
A bug in the Linux kernel 8250 serial driver's power management usage count during console handover can lead to 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-2022-1004155?
GSD-2022-1004155 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
serial: 8250: Fix PM usage_count for console handover
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 v5.18.13 by commit 5df66302f03f87ae8953785a882d78e911f00c55, it was introduced in version v5.7 by commit bedb404e91bb2908d9921fc736a518a9d89525fc. For more details please see the references link.
Which versions are affected by GSD-2022-1004155?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004155?
No fix has been published for GSD-2022-1004155 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-2022-1004155 being exploited?
There is no known exploitation of GSD-2022-1004155 in the wild and no public exploit code.