GSD-2021-1002736 tee: amdtee: fix an IS_ERR() vs NULL bug
A null pointer dereference in the AMD TEE driver can cause a kernel crash, leading to denial of service for local attackers.
- 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-2021-1002736?
GSD-2021-1002736 is a vulnerability in Kernel, published on 27 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tee: amdtee: fix an IS_ERR() vs NULL bug
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 v5.15.11 by commit 832f3655c6138c23576ed268e31cc76e0f05f2b1, it was introduced in version v5.6 by commit 757cc3e9ff1d72d014096399d6e2bf03974d9da1. For more details please see the references link.
Which versions are affected by GSD-2021-1002736?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002736?
No fix has been published for GSD-2021-1002736 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002736 being exploited?
There is no known exploitation of GSD-2021-1002736 in the wild and no public exploit code.