GSD-2022-1004956 wifi: mac80211: Fix UAF in ieee80211_scan_rx()
A use-after-free vulnerability in the Linux kernel Wi-Fi scanning module allows attackers to potentially execute code or cause a system crash.
- 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-2022-1004956?
GSD-2022-1004956 is an use after free vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wifi: mac80211: Fix UAF in ieee80211_scan_rx()
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 v5.19.8 by commit c0445feb80a4d0854898118fa01073701f8d356b. For more details please see the references link.
Which versions are affected by GSD-2022-1004956?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004956?
No fix has been published for GSD-2022-1004956 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-2022-1004956 being exploited?
There is no known exploitation of GSD-2022-1004956 in the wild and no public exploit code.