GSD-2022-1001974 drbd: Fix five use after free bugs in get_initial_state
Use-after-free bugs in the DRBD kernel module allow local attackers to potentially execute code or cause a system crash.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001974?
GSD-2022-1001974 is an use after free vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drbd: Fix five use after free bugs in get_initial_state
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 v5.10.111 by commit 594205b4936771a250f9d141e7e0fff21c3dd2d9, it was introduced in version v4.5 by commit a29728463b254ce81ecefdf20c1a02e01d9361da. For more details please see the references link.
Which versions are affected by GSD-2022-1001974?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001974?
No fix has been published for GSD-2022-1001974 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-2022-1001974 being exploited?
There is no known exploitation of GSD-2022-1001974 in the wild and no public exploit code.