GSD-2022-1004418 dmaengine: qcom: bam_dma: fix runtime PM underflow
A runtime PM underflow in the Qualcomm BAM DMA driver can cause a denial of service, requiring a kernel patch.
- 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-2022-1004418?
GSD-2022-1004418 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: qcom: bam_dma: fix runtime PM underflow
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 2f6ded79068cac8cff41d5d5632564165d98ee12, it was introduced in version v4.17 by commit dbad41e7bb5f4b9949ff5ea1d76c20711f326308. For more details please see the references link.
Which versions are affected by GSD-2022-1004418?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004418?
No fix has been published for GSD-2022-1004418 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-2022-1004418 being exploited?
There is no known exploitation of GSD-2022-1004418 in the wild and no public exploit code.