GSD-2021-1002083 misc: fastrpc: Add missing lock before accessing find_vma()
A missing lock in the Linux kernel fastrpc driver allows a race condition, potentially causing a denial of service.
- 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-2021-1002083?
GSD-2021-1002083 is a vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
misc: fastrpc: Add missing lock before accessing find_vma()
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 v5.14.14 by commit d22592f1fd8d4bf54fa1cc0ef9122c983d82f30a, it was introduced in version v5.2 by commit 80f3afd72bd4149c57daf852905476b43bb47647. For more details please see the references link.
Which versions are affected by GSD-2021-1002083?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002083?
No fix has been published for GSD-2021-1002083 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002083 being exploited?
There is no known exploitation of GSD-2021-1002083 in the wild and no public exploit code.