GSD-2022-1006556 netfilter: ebtables: fix memory leak when blob is malformed
A memory leak in the Linux kernel ebtables component allows local attackers to cause denial of service by sending malformed blobs.
- 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-2022-1006556?
GSD-2022-1006556 is a memory corruption vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
netfilter: ebtables: fix memory leak when blob is malformed
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 v5.15.71 by commit d5917b7af7cae0e2804f9d127a03268035098b7f, it was introduced in version v5.15.64 by commit 1b2c5428f773d60c116c7b1e390432e0cfb63cd6. For more details please see the references link.
Which versions are affected by GSD-2022-1006556?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006556?
No fix has been published for GSD-2022-1006556 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-2022-1006556 being exploited?
There is no known exploitation of GSD-2022-1006556 in the wild and no public exploit code.