GSD-2021-1000239 iommu/mediatek: Always enable the clk on resume
A bug in the Mediatek IOMMU driver fails to enable clocks on resume, potentially causing system instability or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000239?
GSD-2021-1000239 is a denial of service vulnerability in Kernel, published on 31 May 2021.
Official description
iommu/mediatek: Always enable the clk on resume
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 v5.12.4 by commit 5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca, it was introduced in version v5.12 by commit c0b57581b73be7b43f39e0dff201c93413f6a668. For more details please see the references link.
Which versions are affected by GSD-2021-1000239?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000239?
No fix has been published for GSD-2021-1000239 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-2021-1000239 being exploited?
There is no known exploitation of GSD-2021-1000239 in the wild and no public exploit code.