GSD-2022-1006555 net/smc: Stop the CLC flow if no link to map buffers on
A flaw in the Linux kernel's SMC protocol allows remote attackers to cause a denial of service by triggering a flow with no link to map buffers.
- 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-2022-1006555?
GSD-2022-1006555 is a denial of service vulnerability in Kernel, published on 9 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/smc: Stop the CLC flow if no link to map buffers on
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 v5.15.71 by commit db145b8a04fc6d2df78670dd210aacf4f7fedbce, it was introduced in version v5.8 by commit b9247544c1bccfe1b74ddf1dade719a69946cbb1. For more details please see the references link.
Which versions are affected by GSD-2022-1006555?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006555?
No fix has been published for GSD-2022-1006555 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-2022-1006555 being exploited?
There is no known exploitation of GSD-2022-1006555 in the wild and no public exploit code.