GSD-2023-1001814 net/sched: act_mpls: Fix warning during failed attribute validation
A flaw in the Linux kernel MPLS action allows a local attacker to trigger a warning and potential denial of service via failed attribute validation.
- 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-2023-1001814?
GSD-2023-1001814 is a denial of service vulnerability in Kernel, published on 31 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/sched: act_mpls: Fix warning during failed attribute validation
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 v5.4.229 by commit 2b157c3c5d6b8ddca48d53c9e662032f65af8d61, it was introduced in version v5.3 by commit 2a2ea50870baa3fb4de0872c5b60828138654ca7. For more details please see the references link.
Which versions are affected by GSD-2023-1001814?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001814?
No fix has been published for GSD-2023-1001814 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-2023-1001814 being exploited?
There is no known exploitation of GSD-2023-1001814 in the wild and no public exploit code.