GSD-2022-1007822 ring-buffer: Check for NULL cpu_buffer in ring_buffer_wake_waiters()
A null pointer dereference in the Linux kernel ring buffer can cause a system crash, requiring local access to exploit.
- 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-2022-1007822?
GSD-2022-1007822 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ring-buffer: Check for NULL cpu_buffer in ring_buffer_wake_waiters()
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 v6.0.8 by commit 49ca992f6e50d0f46ec9608f44e011cf3121f389, it was introduced in version v6.0.3 by commit f4f15344110d0b5b8822ac97bc8200e71939c945. For more details please see the references link.
Which versions are affected by GSD-2022-1007822?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007822?
No fix has been published for GSD-2022-1007822 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1007822 being exploited?
There is no known exploitation of GSD-2022-1007822 in the wild and no public exploit code.