GSD-2022-1004649 irqchip/gic/realview: Fix refcount leak in realview_gic_of_init
A refcount leak in the Linux Kernel's realview GIC 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-2022-1004649?
GSD-2022-1004649 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
irqchip/gic/realview: Fix refcount leak in realview_gic_of_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 v5.10.124 by commit e52a58b79f11755ea7e877015c4a1704303fa55f, it was introduced in version v4.6 by commit 82b0a434b436f5da69ddd24bd6a6fa5dc4484310. For more details please see the references link.
Which versions are affected by GSD-2022-1004649?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004649?
No fix has been published for GSD-2022-1004649 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-2022-1004649 being exploited?
There is no known exploitation of GSD-2022-1004649 in the wild and no public exploit code.