GSD-2021-1000768 bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks
A bug in Linux kernel SELinux lockdown permission checks allows bypassing security restrictions, requiring high privileges and specific configurations.
- 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-2021-1000768?
GSD-2021-1000768 is a vulnerability in Kernel, published on 25 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks
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 v5.10.43 by commit ff5039ec75c83d2ed5b781dc7733420ee8c985fc, it was introduced in version v5.6 by commit 59438b46471ae6cdfb761afc8c9beaf1e428a331. For more details please see the references link.
Which versions are affected by GSD-2021-1000768?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000768?
No fix has been published for GSD-2021-1000768 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000768 being exploited?
There is no known exploitation of GSD-2021-1000768 in the wild and no public exploit code.