GSD-2022-1006532 dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get()
A refcount leak in the TI K3 UDMA 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-2022-1006532?
GSD-2022-1006532 is a denial of service vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get()
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 v5.19.12 by commit a17df55bf6d536712da6902a83db82b82e67d5a2, it was introduced in version v5.6 by commit d702419134133db1eab2067dc6ea5723467fd917. For more details please see the references link.
Which versions are affected by GSD-2022-1006532?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006532?
No fix has been published for GSD-2022-1006532 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-2022-1006532 being exploited?
There is no known exploitation of GSD-2022-1006532 in the wild and no public exploit code.