GSD-2022-1008042 bridge: switchdev: Fix memory leaks when changing VLAN protocol
A memory leak in the Linux kernel bridge switchdev component allows local attackers to cause denial of service by changing VLAN protocols.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1008042?
GSD-2022-1008042 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
bridge: switchdev: Fix memory leaks when changing VLAN protocol
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 v5.10.157 by commit 347f1793b573466424c550f2748ed837b6690fe7, it was introduced in version v5.0 by commit 279737939a8194f02fa352ab4476a1b241f44ef4. For more details please see the references link.
Which versions are affected by GSD-2022-1008042?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008042?
No fix has been published for GSD-2022-1008042 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-2022-1008042 being exploited?
There is no known exploitation of GSD-2022-1008042 in the wild and no public exploit code.