GSD-2022-1005542 tee: add overflow check in register_shm_helper()
An integer overflow in the Linux Kernel TEE driver allows local attackers to potentially escalate privileges or execute code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1005542?
GSD-2022-1005542 is a vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tee: add overflow check in register_shm_helper()
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 v5.15.62 by commit c12f0e6126ad223806a365084e86370511654bf1, it was introduced in version v4.16 by commit 033ddf12bcf5326b93bd604f50a7474a434a35f9. For more details please see the references link.
Which versions are affected by GSD-2022-1005542?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005542?
No fix has been published for GSD-2022-1005542 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005542 being exploited?
There is no known exploitation of GSD-2022-1005542 in the wild and no public exploit code.