GSD-2022-1002455 mac80211: fix potential double free on mesh join
A double free vulnerability in the Linux kernel mac80211 mesh join path allows attackers to cause denial of service or potentially execute code.
- 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-2022-1002455?
GSD-2022-1002455 is an use after free vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mac80211: fix potential double free on mesh join
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 v4.14.274 by commit c1d9c3628ef0a0ca197595d0f9e01cd3b5dda186, it was introduced in version v4.14.192 by commit 86e7d4cd2ed5f4b0188afce8199faffcf1ae7c7e. For more details please see the references link.
Which versions are affected by GSD-2022-1002455?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002455?
No fix has been published for GSD-2022-1002455 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-2022-1002455 being exploited?
There is no known exploitation of GSD-2022-1002455 in the wild and no public exploit code.