GSD-2023-1000672 serial: amba-pl011: avoid SBSA UART accessing DMACR register
A bug in the Linux Kernel's amba-pl011 driver causes SBSA UARTs to incorrectly access the DMACR register, potentially leading to system instability or crashes.
- 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-2023-1000672?
GSD-2023-1000672 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
serial: amba-pl011: avoid SBSA UART accessing DMACR register
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 v6.0.16 by commit 38a10fdd54d17590d45cb1c43b9889da383b6b1a, it was introduced in version v4.2 by commit 0dd1e247fd39aed20fd2baacc62ca44d82534798. For more details please see the references link.
Which versions are affected by GSD-2023-1000672?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000672?
No fix has been published for GSD-2023-1000672 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000672 being exploited?
There is no known exploitation of GSD-2023-1000672 in the wild and no public exploit code.