GSD-2022-1004548 lockdown: Fix kexec lockdown bypass with ima policy
A local attacker with high privileges can bypass kernel lockdown restrictions using IMA policy to load unsigned code.
- 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-2022-1004548?
GSD-2022-1004548 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
lockdown: Fix kexec lockdown bypass with ima policy
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 v5.10.134 by commit ab5050fd7430dde3a9f073129036d3da3facc8ec, it was introduced in version v5.4 by commit 29d3c1c8dfe752c01b7115ecd5a3142b232a38e1. For more details please see the references link.
Which versions are affected by GSD-2022-1004548?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004548?
No fix has been published for GSD-2022-1004548 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004548 being exploited?
There is no known exploitation of GSD-2022-1004548 in the wild and no public exploit code.