GSD-2022-1008040 net/x25: Fix skb leak in x25_lapb_receive_frame()
A memory leak in the Linux kernel X.25 protocol handler allows attackers to cause a denial of service by exhausting system memory.
- 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-2022-1008040?
GSD-2022-1008040 is a denial of service 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
net/x25: Fix skb leak in x25_lapb_receive_frame()
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 v5.10.156 by commit 9f00da9c866d506998bf0a3f699ec900730472da, it was introduced in version v3.1 by commit cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df. For more details please see the references link.
Which versions are affected by GSD-2022-1008040?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008040?
No fix has been published for GSD-2022-1008040 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1008040 being exploited?
There is no known exploitation of GSD-2022-1008040 in the wild and no public exploit code.