GSD-2022-1003868 powerpc/xics: fix refcount leak in icp_opal_init()
A refcount leak in the Linux kernel's powerpc/xics subsystem can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1003868?
GSD-2022-1003868 is a denial of service vulnerability in Kernel, published on 28 Jun 2022.
Official description
powerpc/xics: fix refcount leak in icp_opal_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 v4.19.247 by commit 1d5c8cea85fb1680eae8d645b96b92146cb4633c. For more details please see the references link.
Which versions are affected by GSD-2022-1003868?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003868?
No fix has been published for GSD-2022-1003868 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-2022-1003868 being exploited?
There is no known exploitation of GSD-2022-1003868 in the wild and no public exploit code.