GSD-2022-1000672 net/smc: Forward wakeup to smc socket waitqueue after fallback
A flaw in the Linux Kernel SMC protocol fails to forward wakeups after fallback, potentially causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000672?
GSD-2022-1000672 is a denial of service vulnerability in Kernel, published on 27 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/smc: Forward wakeup to smc socket waitqueue after fallback
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 v5.16.8 by commit 504078fbe9dd570d685361b57784a6050bc40aaa, it was introduced in version v5.16 by commit 2153bd1e3d3dbf6a3403572084ef6ed31c53c5f0. For more details please see the references link.
Which versions are affected by GSD-2022-1000672?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000672?
No fix has been published for GSD-2022-1000672 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-2022-1000672 being exploited?
There is no known exploitation of GSD-2022-1000672 in the wild and no public exploit code.