GSD-2022-1004423 net: dsa: qca8k: reset cpu port on MTU change
A missing CPU port reset during MTU changes in the qca8k driver can cause network instability or denial of service in Linux kernels.
- 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-2022-1004423?
GSD-2022-1004423 is a denial of service vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: dsa: qca8k: reset cpu port on MTU change
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 v5.15.54 by commit 188c798f3c2554fa0d7147e9b97baf144b817019, it was introduced in version v5.9 by commit f58d2598cf70d41f73e761b62a114d2e8f94a676. For more details please see the references link.
Which versions are affected by GSD-2022-1004423?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004423?
No fix has been published for GSD-2022-1004423 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-2022-1004423 being exploited?
There is no known exploitation of GSD-2022-1004423 in the wild and no public exploit code.