GSD-2022-1002009 iommu/arm-smmu-v3: fix event handling soft lockup
A soft lockup in the ARM SMMUv3 event handling can cause a denial of service in the Linux kernel.
- 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-2022-1002009?
GSD-2022-1002009 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
iommu/arm-smmu-v3: fix event handling soft lockup
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 v5.10.111 by commit 0b9cf0b599258dfbc8f3b4f21a0ef1faec8c455e. For more details please see the references link.
Which versions are affected by GSD-2022-1002009?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002009?
No fix has been published for GSD-2022-1002009 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-2022-1002009 being exploited?
There is no known exploitation of GSD-2022-1002009 in the wild and no public exploit code.