GSD-2023-1001718 iommu/arm-smmu: Don't unregister on shutdown
A flaw in the Linux Kernel ARM SMMU driver causes issues during shutdown, potentially leading to system instability or 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-2023-1001718?
GSD-2023-1001718 is a denial of service vulnerability in Kernel, published on 31 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
iommu/arm-smmu: Don't unregister on shutdown
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 v6.1.7 by commit a1b9c7b1978aacf4b2f33e34bde1e2bb80b8497a, it was introduced in version v6.1 by commit 57365a04c92126525a58bf7a1599ddfa832415e9. For more details please see the references link.
Which versions are affected by GSD-2023-1001718?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001718?
No fix has been published for GSD-2023-1001718 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-2023-1001718 being exploited?
There is no known exploitation of GSD-2023-1001718 in the wild and no public exploit code.