GSD-2023-1001596 serial: pch: Fix PCI device refcount leak in pch_request_dma()
A PCI device refcount leak in the PCH serial driver can lead to resource exhaustion and potential denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001596?
GSD-2023-1001596 is a denial of service vulnerability in Kernel, published on 17 Jan 2023.
Official description
serial: pch: Fix PCI device refcount leak in pch_request_dma()
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 v4.9.337 by commit 90ff030ca10b69feeebda1427550ebf9ed2ad868, it was introduced in version v2.6.38 by commit 3c6a483275f47a2ef7119309ad3d791c10cf30da. For more details please see the references link.
Which versions are affected by GSD-2023-1001596?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001596?
No fix has been published for GSD-2023-1001596 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-2023-1001596 being exploited?
There is no known exploitation of GSD-2023-1001596 in the wild and no public exploit code.