GSD-2022-1007447 wifi: cfg80211: fix BSS refcounting bugs
Refcounting bugs in the Linux kernel WiFi subsystem can lead to use-after-free conditions, potentially causing crashes or code execution.
- 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-2022-1007447?
GSD-2022-1007447 is an use after free vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wifi: cfg80211: fix BSS refcounting bugs
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 v5.4.218 by commit 785eaabfe3103e8bfa36aebacff6e8f69f092ed7, it was introduced in version v5.1 by commit a3584f56de1c808d4383a275b4a74467b19e5645. For more details please see the references link.
Which versions are affected by GSD-2022-1007447?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007447?
No fix has been published for GSD-2022-1007447 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1007447 being exploited?
There is no known exploitation of GSD-2022-1007447 in the wild and no public exploit code.