GSD-2021-1002510 net/sched: fq_pie: prevent dismantle issue
A flaw in the Linux kernel's fq_pie scheduler can cause a system crash during dismantling, leading to denial of service.
- 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-2021-1002510?
GSD-2021-1002510 is a denial of service vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/sched: fq_pie: prevent dismantle issue
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 v5.10.85 by commit 2a51edaf5cc563574878b93d7ef3d5955dda7030, it was introduced in version v5.6 by commit ec97ecf1ebe485a17cd8395a5f35e6b80b57665a. For more details please see the references link.
Which versions are affected by GSD-2021-1002510?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002510?
No fix has been published for GSD-2021-1002510 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-2021-1002510 being exploited?
There is no known exploitation of GSD-2021-1002510 in the wild and no public exploit code.