GSD-2022-1007946 dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove()
A resource leak in the Marvell XOR v2 DMA engine driver can lead to memory exhaustion and denial of service upon module removal.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007946?
GSD-2022-1007946 is a denial of service vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove()
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 v5.15.79 by commit 992e966caf57e00855edbd79f19d911809732a69, it was introduced in version v4.16 by commit 3cd2c313f1d618f92d1294addc6c685c17065761. For more details please see the references link.
Which versions are affected by GSD-2022-1007946?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007946?
No fix has been published for GSD-2022-1007946 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-2022-1007946 being exploited?
There is no known exploitation of GSD-2022-1007946 in the wild and no public exploit code.