GSD-2023-1000862 net: sched: disallow noqueue for qdisc classes
A flaw in the Linux kernel networking scheduler allows local attackers to cause a denial of service by configuring invalid qdisc classes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000862?
GSD-2023-1000862 is a denial of service vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: sched: disallow noqueue for qdisc classes
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 v5.15.88 by commit 04941c1d5bb59d64165e09813de2947bdf6f4f28, it was introduced in version v4.3 by commit d66d6c3152e8d5a6db42a56bf7ae1c6cae87ba48. For more details please see the references link.
Which versions are affected by GSD-2023-1000862?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000862?
No fix has been published for GSD-2023-1000862 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-2023-1000862 being exploited?
There is no known exploitation of GSD-2023-1000862 in the wild and no public exploit code.