GSD-2022-1005395 wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected
A flaw in the Linux kernel mac80211 subsystem allows a denial of service in IBSS mode when disconnected, requiring a kernel patch.
- 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-2022-1005395?
GSD-2022-1005395 is a denial of service vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected
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 v5.15.66 by commit 552ba102a6898630a7d16887f29e606d6fabe508, it was introduced in version v3.13 by commit cd7760e62c2ac8581f050b2d36501d1a60beaf83. For more details please see the references link.
Which versions are affected by GSD-2022-1005395?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005395?
No fix has been published for GSD-2022-1005395 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-2022-1005395 being exploited?
There is no known exploitation of GSD-2022-1005395 in the wild and no public exploit code.