GSD-2022-1007939 net: macvlan: fix memory leaks of macvlan_common_newlink
A memory leak in the Linux kernel macvlan driver allows local attackers to cause denial of service by exhausting system memory.
- 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-2022-1007939?
GSD-2022-1007939 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
net: macvlan: fix memory leaks of macvlan_common_newlink
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 v5.15.79 by commit a8d67367ab33604326cc37ab44fd1801bf5691ba, it was introduced in version v4.9 by commit aa5fd0fb77486b8a6764ead8627baa14790e4280. For more details please see the references link.
Which versions are affected by GSD-2022-1007939?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007939?
No fix has been published for GSD-2022-1007939 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-2022-1007939 being exploited?
There is no known exploitation of GSD-2022-1007939 in the wild and no public exploit code.