GSD-2022-1006045 cpufreq: zynq: Fix refcount leak in zynq_get_revision
A refcount leak in the Zynq cpufreq driver can lead to resource exhaustion and denial of service, requiring local privileged access to trigger.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006045?
GSD-2022-1006045 is a denial of service vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cpufreq: zynq: Fix refcount leak in zynq_get_revision
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 v5.4.211 by commit a530fa52d4fdffc5f010f90c05ac63019b8ff5f8, it was introduced in version v3.16 by commit 00f7dc636366f72474b1896f4990b3c086cd2c6d. For more details please see the references link.
Which versions are affected by GSD-2022-1006045?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006045?
No fix has been published for GSD-2022-1006045 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-2022-1006045 being exploited?
There is no known exploitation of GSD-2022-1006045 in the wild and no public exploit code.