GSD-2023-1001927 dmaengine: Fix double increment of client_count in dma_chan_get()
A double increment bug in the Linux kernel DMA engine client count tracking, with unproven security impact.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2023-1001927?
GSD-2023-1001927 is a vulnerability in Kernel, published on 13 Feb 2023.
Official description
dmaengine: Fix double increment of client_count in dma_chan_get()
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 v6.1.9 by commit 142d644fd2cc059ffa042fbfb68e766433ef3afd, it was introduced in version v4.0 by commit d2f4f99db3e9ec8b063cf2e45704e2bb95428317. For more details please see the references link.
Which versions are affected by GSD-2023-1001927?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001927?
No fix has been published for GSD-2023-1001927 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001927 being exploited?
There is no known exploitation of GSD-2023-1001927 in the wild and no public exploit code.