GSD-2021-1002256 cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
A missing stop call in cfg80211 allows local attackers to bypass security controls when switching from P2P Group Owner mode.
- 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-2021-1002256?
GSD-2021-1002256 is a missing authorization vulnerability in Kernel, published on 29 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cfg80211: call cfg80211_stop_ap when switch from P2P_GO type
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 v5.4.162 by commit 52affc201fc22a1ab9a59ef0ed641a9adfcb8d13, it was introduced in version v3.6 by commit ac800140c20e7ae51117e71289065bedd4930fc2. For more details please see the references link.
Which versions are affected by GSD-2021-1002256?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002256?
No fix has been published for GSD-2021-1002256 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is GSD-2021-1002256 being exploited?
There is no known exploitation of GSD-2021-1002256 in the wild and no public exploit code.