GSD-2022-1004754 arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
A potential security issue in the Linux kernel arm64 memory management related to DMA buffer invalidation, with unproven impact.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004754?
GSD-2022-1004754 is a vulnerability in Kernel, published on 31 Jul 2022.
Official description
arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
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 v5.4.201 by commit 7b9c3bfbad2510478ac29221d2c40a09184ce6a1. For more details please see the references link.
Which versions are affected by GSD-2022-1004754?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004754?
No fix has been published for GSD-2022-1004754 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004754 being exploited?
There is no known exploitation of GSD-2022-1004754 in the wild and no public exploit code.