GSD-2022-1004421 i2c: piix4: Fix a memory leak in the EFCH MMIO support
A memory leak in the piix4 I2C driver can lead to resource exhaustion and denial of service, requiring local privileged access to trigger.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004421?
GSD-2022-1004421 is a memory corruption vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
i2c: piix4: Fix a memory leak in the EFCH MMIO support
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 v5.15.54 by commit d2bf1a6480e8d44658a8ac3bdcec081238873212, it was introduced in version v5.15.42 by commit 4b965566ca26e83553d92b8c57050e5d59911806. For more details please see the references link.
Which versions are affected by GSD-2022-1004421?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004421?
No fix has been published for GSD-2022-1004421 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-2022-1004421 being exploited?
There is no known exploitation of GSD-2022-1004421 in the wild and no public exploit code.