GSD-2023-1001640 rapidio: fix possible UAF when kfifo_alloc() fails
A use-after-free vulnerability in the Linux kernel rapidio subsystem allows local attackers to potentially execute code or escalate privileges.
- 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-2023-1001640?
GSD-2023-1001640 is an use after free 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
rapidio: fix possible UAF when kfifo_alloc() fails
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 v4.9.337 by commit 2a6c75adf8192f07ddcdd4a1a13488c890a73919, it was introduced in version v4.6 by commit e8de370188d098bb49483c287b44925957c3c9b6. For more details please see the references link.
Which versions are affected by GSD-2023-1001640?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001640?
No fix has been published for GSD-2023-1001640 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-2023-1001640 being exploited?
There is no known exploitation of GSD-2023-1001640 in the wild and no public exploit code.