GSD-2023-1000673 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-2023-1000673?
GSD-2023-1000673 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 v6.0.16 by commit 4f5d28865c665c9064de631a518f9bc8099d9ce4, 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-2023-1000673?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000673?
No fix has been published for GSD-2023-1000673 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-2023-1000673 being exploited?
There is no known exploitation of GSD-2023-1000673 in the wild and no public exploit code.