GSD-2023-1000045 can: slcan: fix freed work crash
A use-after-free bug in the Linux kernel slcan driver can cause a system crash, requiring local access to exploit.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000045?
GSD-2023-1000045 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
can: slcan: fix freed work crash
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 v6.0.13 by commit 9e2709d58a14a10eb00d919acd7dec071c33f8c8, it was introduced in version v6.0 by commit cfcb4465e9923bb9ac168abcea84e880633f9cef. For more details please see the references link.
Which versions are affected by GSD-2023-1000045?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000045?
No fix has been published for GSD-2023-1000045 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-2023-1000045 being exploited?
There is no known exploitation of GSD-2023-1000045 in the wild and no public exploit code.