GSD-2021-1002836 mac80211: fix locking in ieee80211_start_ap error path
A locking error in the Linux kernel mac80211 subsystem can lead to a race condition, potentially causing a denial of service.
- 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-2021-1002836?
GSD-2021-1002836 is a vulnerability in Kernel, published on 30 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mac80211: fix locking in ieee80211_start_ap error path
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 v5.15.12 by commit c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f, it was introduced in version v5.10 by commit 295b02c4be74bebf988593b8322369513fcecf68. For more details please see the references link.
Which versions are affected by GSD-2021-1002836?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002836?
No fix has been published for GSD-2021-1002836 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002836 being exploited?
There is no known exploitation of GSD-2021-1002836 in the wild and no public exploit code.