GSD-2021-1000025 dmaengine: idxd: clear MSIX permission entry on shutdown
Failure to clear MSIX permission entries on shutdown in the idxd driver may allow security bypasses, requiring kernel patching.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000025?
GSD-2021-1000025 is a vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dmaengine: idxd: clear MSIX permission entry on shutdown
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 v5.11.16 by commit c84b8982d7aa9b4717dc36a1c6cbc93ee153b500, it was introduced in version v5.11 by commit 8e50d392652f20616a136165dff516b86baf5e49. For more details please see the references link.
Which versions are affected by GSD-2021-1000025?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000025?
No fix has been published for GSD-2021-1000025 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000025 being exploited?
There is no known exploitation of GSD-2021-1000025 in the wild and no public exploit code.