GSD-2022-1007159 wifi: cfg80211/mac80211: reject bad MBSSID elements
Malformed MBSSID elements in WiFi frames can cause a denial of service in the Linux kernel, requiring a patch to reject bad elements.
- 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-2022-1007159?
GSD-2022-1007159 is a denial of service 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/mac80211: reject bad MBSSID elements
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 v5.15.74 by commit 0a861bd25dad508e492c48169509d8c6b9246895, it was introduced in version v5.1 by commit 0b8fb8235be8be99a197e8d948fc0a2df8dc261a. For more details please see the references link.
Which versions are affected by GSD-2022-1007159?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007159?
No fix has been published for GSD-2022-1007159 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-2022-1007159 being exploited?
There is no known exploitation of GSD-2022-1007159 in the wild and no public exploit code.