GSD-2022-1006922 mctp: prevent double key removal and unref
A double key removal and unref bug in the Linux kernel MCTP subsystem can lead to use-after-free, potentially causing crashes or code execution.
- 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-2022-1006922?
GSD-2022-1006922 is an use after free vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mctp: prevent double key removal and unref
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 v6.0.2 by commit 3c7c84319833259b0bb8c879928700c9e42d6562, it was introduced in version v5.18 by commit 63ed1aab3d40aa61aaa66819bdce9377ac7f40fa. For more details please see the references link.
Which versions are affected by GSD-2022-1006922?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006922?
No fix has been published for GSD-2022-1006922 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1006922 being exploited?
There is no known exploitation of GSD-2022-1006922 in the wild and no public exploit code.