GSD-2021-1001522 i2c: acpi: fix resource leak in reconfiguration device addition
A resource leak in the Linux kernel's I2C ACPI driver can lead to denial of service, requiring local privileged access to exploit.
- 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-2021-1001522?
GSD-2021-1001522 is a denial of service vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
i2c: acpi: fix resource leak in reconfiguration device addition
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 v4.14.251 by commit b8090a84d7758b929d348bafbd86bb7a10c5fb63, it was introduced in version v4.8 by commit 525e6fabeae286848592363bda13bc34b59bb5ac. For more details please see the references link.
Which versions are affected by GSD-2021-1001522?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001522?
No fix has been published for GSD-2021-1001522 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2021-1001522 being exploited?
There is no known exploitation of GSD-2021-1001522 in the wild and no public exploit code.