GSD-2022-1008225 drbd: use after free in drbd_create_device()
A use-after-free flaw in the DRBD kernel module allows local attackers with high privileges to potentially execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1008225?
GSD-2022-1008225 is an use after free 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
drbd: use after free in drbd_create_device()
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 v4.19.267 by commit bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1, it was introduced in version v3.15 by commit b6f85ef9538b2111a8ba0bbfae9aaebabfc94961. For more details please see the references link.
Which versions are affected by GSD-2022-1008225?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008225?
No fix has been published for GSD-2022-1008225 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-2022-1008225 being exploited?
There is no known exploitation of GSD-2022-1008225 in the wild and no public exploit code.