GSD-2021-1000306 selinux: add proper NULL termination to the secclass_map permissions
A missing NULL termination in SELinux secclass_map permissions can cause a kernel crash, requiring a patch to the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000306?
GSD-2021-1000306 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
selinux: add proper NULL termination to the secclass_map permissions
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 v5.12.4 by commit 336dc1d637f3c889785a718fe791580e01bc2a93, it was introduced in version v4.15 by commit ec27c3568a34c7fe5fcf4ac0a354eda77687f7eb. For more details please see the references link.
Which versions are affected by GSD-2021-1000306?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000306?
No fix has been published for GSD-2021-1000306 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000306 being exploited?
There is no known exploitation of GSD-2021-1000306 in the wild and no public exploit code.