GSD-2022-1005266 PCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()
A refcount leak in the Microchip PCIe 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-2022-1005266?
GSD-2022-1005266 is a denial of service vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
PCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()
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 v5.19.2 by commit 880ece912b958a0c92cc0baa8e906fb9b49a4b53, it was introduced in version v5.12 by commit 6f15a9c9f94133bee0d861a4bf25e10aaa95219d. For more details please see the references link.
Which versions are affected by GSD-2022-1005266?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005266?
No fix has been published for GSD-2022-1005266 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-2022-1005266 being exploited?
There is no known exploitation of GSD-2022-1005266 in the wild and no public exploit code.