GSD-2022-1004422 ARM: meson: Fix refcount leak in meson_smp_prepare_cpus
A refcount leak in the Linux kernel's Meson SMP preparation code can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004422?
GSD-2022-1004422 is a denial of service vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ARM: meson: Fix refcount leak in meson_smp_prepare_cpus
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 v5.15.54 by commit 7208101ded1e9dcc52c8f0f8b16474211c871c1a, it was introduced in version v4.15 by commit d850f3e5d2966e5c9eb55f66181cee960737e04c. For more details please see the references link.
Which versions are affected by GSD-2022-1004422?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004422?
No fix has been published for GSD-2022-1004422 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-2022-1004422 being exploited?
There is no known exploitation of GSD-2022-1004422 in the wild and no public exploit code.