GSD-2023-1002201 net/sched: sch_taprio: do not schedule in taprio_reset()
A flaw in the Linux kernel's taprio scheduler could lead to a denial of service when resetting the queue, requiring local privileged access to exploit.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1002201?
GSD-2023-1002201 is a denial of service vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/sched: sch_taprio: do not schedule in taprio_reset()
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 v5.4.231 by commit dae05cd3716f146ed1a59642a8d550ff3b6c8873, it was introduced in version v5.4.231 by commit 1200388a0b1c3c6fda48d4d2143db8f7e4ef5348. For more details please see the references link.
Which versions are affected by GSD-2023-1002201?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002201?
No fix has been published for GSD-2023-1002201 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-2023-1002201 being exploited?
There is no known exploitation of GSD-2023-1002201 in the wild and no public exploit code.