GSD-2022-1001192 ax25: Fix refcount leaks caused by ax25_cb_del()
A refcount leak in the Linux kernel AX.25 protocol implementation can lead to memory exhaustion and denial of service.
- 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-2022-1001192?
GSD-2022-1001192 is a memory corruption 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
ax25: Fix refcount leaks caused by ax25_cb_del()
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 v5.17.2 by commit 534156dd4ed768e30a43de0036f45dca7c54818f, it was introduced in version v5.17 by commit d01ffb9eee4af165d83b08dd73ebdf9fe94a519b. For more details please see the references link.
Which versions are affected by GSD-2022-1001192?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001192?
No fix has been published for GSD-2022-1001192 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-2022-1001192 being exploited?
There is no known exploitation of GSD-2022-1001192 in the wild and no public exploit code.