GSD-2022-1004419 dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
A refcount leak in the TI DMA engine driver allows local attackers to exhaust kernel resources, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004419?
GSD-2022-1004419 is a denial of service vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
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 v5.15.54 by commit cb9813d7eae917acd34436160a278b8b5d48ca53, it was introduced in version v4.5 by commit ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e. For more details please see the references link.
Which versions are affected by GSD-2022-1004419?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004419?
No fix has been published for GSD-2022-1004419 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-2022-1004419 being exploited?
There is no known exploitation of GSD-2022-1004419 in the wild and no public exploit code.