GSD-2022-1007974 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 a kernel patch to resolve.
- 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-2022-1007974?
GSD-2022-1007974 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 v5.15.78 by commit b5074df412bf3df9d6ce096b6fa03eb1082d05c9, it was introduced in version v5.15.75 by commit 2475de2bc0de17fb1b24c5e90194f84b5ca70d3e. For more details please see the references link.
Which versions are affected by GSD-2022-1007974?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007974?
No fix has been published for GSD-2022-1007974 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1007974 being exploited?
There is no known exploitation of GSD-2022-1007974 in the wild and no public exploit code.