GSD-2022-1002704 powerpc/xive: Fix refcount leak in xive_spapr_init
A refcount leak in the Linux kernel's powerpc xive initialization 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-2022-1002704?
GSD-2022-1002704 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
powerpc/xive: Fix refcount leak in xive_spapr_init
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 v5.18.3 by commit cc62dde2a5f4ba14016fd9caec76f08d388f4b9c, it was introduced in version v4.14 by commit eac1e731b59ee3b5f5e641a7765c7ed41ed26226. For more details please see the references link.
Which versions are affected by GSD-2022-1002704?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002704?
No fix has been published for GSD-2022-1002704 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-2022-1002704 being exploited?
There is no known exploitation of GSD-2022-1002704 in the wild and no public exploit code.