GSD-2022-1004961 binder: fix UAF of ref->proc caused by race condition
A race condition in the Linux kernel binder driver allows local attackers to trigger a use-after-free, potentially leading to privilege escalation or code execution.
- 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-2022-1004961?
GSD-2022-1004961 is an use after free vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
binder: fix UAF of ref->proc caused by race condition
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 v5.19.8 by commit 603a47f2ae56bf68288784d3c0a8c5b8e0a827ed. For more details please see the references link.
Which versions are affected by GSD-2022-1004961?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004961?
No fix has been published for GSD-2022-1004961 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-2022-1004961 being exploited?
There is no known exploitation of GSD-2022-1004961 in the wild and no public exploit code.