GSD-2022-1000364 misc: fastrpc: avoid double fput() on failed usercopy
A double free vulnerability in the Linux Kernel fastrpc driver allows local attackers to cause denial of service or potentially escalate privileges.
- 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-2022-1000364?
GSD-2022-1000364 is a memory corruption vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
misc: fastrpc: avoid double fput() on failed usercopy
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 v5.10.101 by commit a5ce7ee5fcc07583159f54ab4af5164de00148f5, it was introduced in version v5.1 by commit 6cffd79504ce040f460831030d3069fa1c99bb71. For more details please see the references link.
Which versions are affected by GSD-2022-1000364?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000364?
No fix has been published for GSD-2022-1000364 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1000364 being exploited?
There is no known exploitation of GSD-2022-1000364 in the wild and no public exploit code.