GSD-2022-1004647 irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions
A refcount leak in the Linux kernel GICv3 driver 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-2022-1004647?
GSD-2022-1004647 is a memory corruption 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-v3: Fix refcount leak in gic_populate_ppi_partitions
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 506a88a5bf261d76a5214c0338a320f2214c67ac, it was introduced in version v4.7 by commit e3825ba1af3a27d7522c9f5f929f5a13b8b138ae. For more details please see the references link.
Which versions are affected by GSD-2022-1004647?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004647?
No fix has been published for GSD-2022-1004647 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-2022-1004647 being exploited?
There is no known exploitation of GSD-2022-1004647 in the wild and no public exploit code.