GSD-2022-1002197 dm ioctl: prevent potential spectre v1 gadget
A Spectre v1 gadget in the Linux kernel device-mapper ioctl allows local attackers to potentially read sensitive memory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1002197?
GSD-2022-1002197 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dm ioctl: prevent potential spectre v1 gadget
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 v5.4.189 by commit 0320bac5801b31407200227173205d017488f140. For more details please see the references link.
Which versions are affected by GSD-2022-1002197?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002197?
No fix has been published for GSD-2022-1002197 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1002197 being exploited?
There is no known exploitation of GSD-2022-1002197 in the wild and no public exploit code.