GSD-2021-1000208 can: mcp251x: fix resume from sleep before interface was brought up
A flaw in the Linux Kernel MCP251x CAN driver allows a denial of service when resuming from sleep before the interface is brought up.
- 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-2021-1000208?
GSD-2021-1000208 is a denial of service vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
can: mcp251x: fix resume from sleep before interface was brought up
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 v5.12.5 by commit e1e10a390fd9479209c4d834d916ca5e6d5d396b, it was introduced in version v5.5 by commit 8ce8c0abcba314e1fe954a1840f6568bf5aef2ef. For more details please see the references link.
Which versions are affected by GSD-2021-1000208?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000208?
No fix has been published for GSD-2021-1000208 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-2021-1000208 being exploited?
There is no known exploitation of GSD-2021-1000208 in the wild and no public exploit code.