GSD-2022-1001227 libbpf: Fix memleak in libbpf_netlink_recv()
A memory leak in libbpf_netlink_recv can lead to resource exhaustion and denial of service, requiring a kernel patch.
- 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-2022-1001227?
GSD-2022-1001227 is a denial of service 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
libbpf: Fix memleak in libbpf_netlink_recv()
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 c3d665699e872061bdcd014fb462188d66b94b57, it was introduced in version v5.17.2 by commit dc69beab5b7baa106d8a195d2c690f7970a81eb5. For more details please see the references link.
Which versions are affected by GSD-2022-1001227?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001227?
No fix has been published for GSD-2022-1001227 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-2022-1001227 being exploited?
There is no known exploitation of GSD-2022-1001227 in the wild and no public exploit code.