GSD-2022-1002471 drbd: Fix five use after free bugs in get_initial_state
Use-after-free bugs in the DRBD driver allow potential code execution or denial of service, requiring kernel patching.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1002471?
GSD-2022-1002471 is an use after free vulnerability in Kernel, published on 24 Apr 2022.
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 v4.9.311 by commit 0489700bfeb1e53eb2039c2291c67e71b0b40103, it was introduced in version v4.5 by commit a29728463b254ce81ecefdf20c1a02e01d9361da. For more details please see the references link.
Which versions are affected by GSD-2022-1002471?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002471?
No fix has been published for GSD-2022-1002471 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-2022-1002471 being exploited?
There is no known exploitation of GSD-2022-1002471 in the wild and no public exploit code.