GSD-2022-1001855 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-2022-1001855?
GSD-2022-1001855 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
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 v5.15.33 by commit d85baefc858f443b2239aa15165eb47440b6c8f0, it was introduced in version v5.15.33 by commit 9dea119df0fa03c656dd41761ab804abd06e5482. For more details please see the references link.
Which versions are affected by GSD-2022-1001855?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001855?
No fix has been published for GSD-2022-1001855 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-2022-1001855 being exploited?
There is no known exploitation of GSD-2022-1001855 in the wild and no public exploit code.