GSD-2021-1002303 selinux: fix NULL-pointer dereference when hashtab allocation fails
A NULL-pointer dereference in the Linux Kernel SELinux module can cause a system crash when hash table allocation fails.
- 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-2021-1002303?
GSD-2021-1002303 is a vulnerability in Kernel, published on 29 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
selinux: fix NULL-pointer dereference when hashtab allocation fails
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 v5.15.5 by commit 83c8ab8503adf56bf68dafc7a382f4946c87da79, it was introduced in version v5.8 by commit 03414a49ad5f3c56988c36d2070e402ffa17feaf. For more details please see the references link.
Which versions are affected by GSD-2021-1002303?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002303?
No fix has been published for GSD-2021-1002303 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002303 being exploited?
There is no known exploitation of GSD-2021-1002303 in the wild and no public exploit code.