GSD-2022-1006878 rpmsg: char: Avoid double destroy of default endpoint
A double destroy vulnerability in the Linux kernel rpmsg char driver allows local attackers to cause a use-after-free, potentially leading to system crashes 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-2022-1006878?
GSD-2022-1006878 is an use after free vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
rpmsg: char: Avoid double destroy of default endpoint
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 v6.0.3 by commit 3f20ef7a845c2c8d7ec82ecffa20d95cab5ecfeb, it was introduced in version v5.18 by commit bea9b79c2d10fecf7bfa26e212ecefe61d232e39. For more details please see the references link.
Which versions are affected by GSD-2022-1006878?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006878?
No fix has been published for GSD-2022-1006878 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-2022-1006878 being exploited?
There is no known exploitation of GSD-2022-1006878 in the wild and no public exploit code.