GSD-2022-1003875 wifi: mac80211: fix use-after-free in chanctx code
A use-after-free vulnerability in the Linux kernel mac80211 Wi-Fi subsystem could allow attackers to execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1003875?
GSD-2022-1003875 is an use after free vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network.
Official description
wifi: mac80211: fix use-after-free in chanctx code
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 v4.19.247 by commit 9f1e5cc85ad77e52f54049a94db0407445ae2a34, it was introduced in version v3.17 by commit 5bcae31d9cb1ebfad3ad5a3eea04c8cdc329a04f. For more details please see the references link.
Which versions are affected by GSD-2022-1003875?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003875?
No fix has been published for GSD-2022-1003875 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-2022-1003875 being exploited?
There is no known exploitation of GSD-2022-1003875 in the wild and no public exploit code.