GSD-2021-1000548 i2c: i801: Don't generate an interrupt on bus reset
A flaw in the i801 I2C driver could cause system instability or denial of service during bus resets, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000548?
GSD-2021-1000548 is a denial of service vulnerability in Kernel, published on 4 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
i2c: i801: Don't generate an interrupt on bus reset
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 v5.12.9 by commit 1f583d3813f204449037cd2acbfc09168171362a, it was introduced in version v3.6 by commit 636752bcb5177a301d0266270661581de8624828. For more details please see the references link.
Which versions are affected by GSD-2021-1000548?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000548?
No fix has been published for GSD-2021-1000548 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-2021-1000548 being exploited?
There is no known exploitation of GSD-2021-1000548 in the wild and no public exploit code.