GSD-2021-1000030 dmaengine: idxd: fix wq size store permission state
A missing permission check in the Intel DSA driver allows privileged users to modify work queue sizes, potentially leading to privilege escalation.
- 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-2021-1000030?
GSD-2021-1000030 is a missing authorization 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: fix wq size store permission state
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 v5.10.32 by commit 4ecf25595273203010bc8318c4aee60ad64037ae, it was introduced in version v5.6 by commit c52ca478233c172b2d322b5241d6279a8661cbba. For more details please see the references link.
Which versions are affected by GSD-2021-1000030?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000030?
No fix has been published for GSD-2021-1000030 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is GSD-2021-1000030 being exploited?
There is no known exploitation of GSD-2021-1000030 in the wild and no public exploit code.