GSD-2022-1008181 wifi: cfg80211: fix memory leak in query_regdb_file()
A memory leak in the Linux kernel's cfg80211 subsystem allows local attackers to cause a denial of service by exhausting system memory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1008181?
GSD-2022-1008181 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wifi: cfg80211: fix memory leak in query_regdb_file()
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 v5.4.225 by commit 0ede1a988299e95d54bd89551fd635980572e920, it was introduced in version v4.15 by commit 007f6c5e6eb45c81ee89368a5f226572ae638831. For more details please see the references link.
Which versions are affected by GSD-2022-1008181?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008181?
No fix has been published for GSD-2022-1008181 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1008181 being exploited?
There is no known exploitation of GSD-2022-1008181 in the wild and no public exploit code.