GSD-2022-1001937 mac80211: fix potential double free on mesh join
A double free vulnerability in the Linux kernel mac80211 mesh join path could allow attackers to cause a 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-2022-1001937?
GSD-2022-1001937 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 v5.15.32 by commit 12e407a8ef17623823fd0c066fbd7f103953d28d, it was introduced in version v5.8 by commit 6a01afcf8468d3ca2bd8bbb27503f60dcf643b20. For more details please see the references link.
Which versions are affected by GSD-2022-1001937?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001937?
No fix has been published for GSD-2022-1001937 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-2022-1001937 being exploited?
There is no known exploitation of GSD-2022-1001937 in the wild and no public exploit code.