CVE-2022-50732 staging: rtl8192u: Fix use after free in ieee80211_rx()
A use-after-free vulnerability in the Linux kernel's rtl8192u driver allows attackers to cause denial of service or execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-50732?
CVE-2022-50732 is a high-severity use after free vulnerability in Linux, published on 24 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8192u: Fix use after free in ieee80211_rx()
We cannot dereference the "skb" pointer after calling ieee80211_monitor_rx(), because it is a use after free.
Which versions are affected by CVE-2022-50732?
How do I fix CVE-2022-50732?
Apply the vendor's patch.
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 CVE-2022-50732 being exploited?
There is no known exploitation of CVE-2022-50732 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50732, GHSA-v23g-73pc-f58m, UBUNTU-CVE-2022-50732.