GSD-2022-1002727 PCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup()
A refcount leak in the MediaTek PCI driver can lead to resource exhaustion and 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-2022-1002727?
GSD-2022-1002727 is a denial of service vulnerability in Kernel, published on 28 Jun 2022.
Official description
PCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup()
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 v5.18.3 by commit 09b2d906d78ddf5042b1f3e0091835fc6997e8a4, it was introduced in version v5.15 by commit 87e8657ba99cac87b84c7f8ead91b44d88345504. For more details please see the references link.
Which versions are affected by GSD-2022-1002727?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002727?
No fix has been published for GSD-2022-1002727 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-2022-1002727 being exploited?
There is no known exploitation of GSD-2022-1002727 in the wild and no public exploit code.