GSD-2021-1000521 Bluetooth: SMP: Fail if remote and local public keys are identical
The Linux Kernel Bluetooth SMP implementation fails to reject identical public keys, potentially allowing security bypasses during pairing.
- 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-2021-1000521?
GSD-2021-1000521 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
Bluetooth: SMP: Fail if remote and local public keys are identical
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 v5.12.7 by commit 58cca5ec43be72a1af95f11966381e9953b0c9f5, it was introduced in version v3.17 by commit bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9. For more details please see the references link.
Which versions are affected by GSD-2021-1000521?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000521?
No fix has been published for GSD-2021-1000521 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000521 being exploited?
There is no known exploitation of GSD-2021-1000521 in the wild and no public exploit code.